International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand

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International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
International electrical
standards & regulations

                AN OVERVIEW OF ELECTRICAL
                            INSTALLATIONS
International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
Introduction
to the installations world

T   he world of electrical installations
    is not always straightforward.
Working on an international project
                                                                                                                                                                                                  knowledge of the wiring
                                                                                                                                                                                                  regulations and standards
                                                                                                                                                                                                  which are applicable in
                                                                                                                                                                                                                               suited to your specific
                                                                                                                                                                                                                               requirements in terms of
                                                                                                                                                                                                                               electrical installations and
electrical engineers are often bewildered                                                                                                                                                         the specific country.        communication networks.
by the extensive amount of electrical                                                                                                                                                             This document compares       Continuous innovation
standards and wiring regulations which                                                                                                                                                            the basic framework          No less than 1 800
determines their decisions.                                                                                                                                                                       of the standards.            people are dedicated
                                                                                                                                                                                                  Therefore, it is essential   full-time to research and
Rely on the world’s                                                                Detailed knowledge                                                                                             for the design engineer      development. On average,
leading specialist                                                                 of the wiring rules                                                                                            to obtain more detailed      Legrand invests 5% of its
As one of the world                                                                The purpose of this                                                                                            information by contacting    sales each year in R&D.
leading specialists                                                                document is to clearly                                                                                         the appropriate standards
in wiring accessories,                                                             present the most                                                                                               and building regulations     Sustainable
Legrand actively participate                                                       frequently encountered                                                                                         organisations.               Development: a priority
to the elaboration of the                                                          sets of wiring rules,                                                                                                                       For many years,
installation standards                                                             showing the main                                                                                               One of the most complete     the Legrand Group
at international (IEC),                                                            technical characteristics                                                                                      offer of the market          has drawn strength
regional (NEC) and local                                                           of each set of installation                                                                                    130 000 catalogue items!     from its values to ensure
levels. Thus, the technical                                                        and main accessories                                                                                           For you, the wealth          profitable, sustainable
expertise of the Legrand                                                           standards. Obviously, on                                                                                       of the Legrand Group’s       and responsible growth
people makes it possible                                                           any given project, it is                                                                                       catalogue offer is the       in its business.
to propose installation                                                            essential that the design                                                                                      guarantee that you
products suitable for each                                                         engineer’s work should                                                                                         will find the products
specific local market.                                                             be based on a detailed                                                                                         and solutions best

CONSUMER UNIT                                 COLOUR CODE OF SOLID STRANDED FLEXIBLE CONDUCTORS           CB: Circuit breaker
                                                      Line                                                MCB: Miniature circuit breaker
                                                      Neutral                                             RCBO: Residual current operated circuit breaker
                                                      Earth                                               with integral overcurrent protection

   FUSE          500 mA

          RCBO

                               16 A | 30 mA                     JUNCTION                                                                     JUNCTION
                                                                                                        2 way switch
                                                                  BOX                                                                          BOX
                          RCBO

                                                                                                        Compact
                                                                                                        fluorescent lamp
                                                                                                                                                                                 Socket outlets                    Arteor
                               16 A                             JUNCTION
                                                                                                                                                                                                                                 By signing up to the Global Compact
                                                                  BOX
                          CB
                                                                                                                                                                   Switch and socket                                             in 2006, this approach has been
                                                                                                        Fluorescent
                                                                                                        lamp                                                                                                                     given a wider dimension.
                                                                                                                                                                                                                                 The Group’s environmental
                                                                                                        Switch

                               16 A | 30 mA                     JUNCTION                          LED   Lamp
                                                                                                                                                                                                                                 commitment is centred on 3 guiding
                                                                  BOX                                                                        JUNCTION
                          RCBO                                                                                                                 BOX                                                                 Axolute       lines: taking on board environmental
                                                                                                  LED   LED lamp                                                                                                                 management in the running of
                                                                                                                                                                                 Socket outlets
                                                                                                                                                                                                                                 its industrial sites, reducing
                                                                                                        Lamp

                                                                                                                                                            Lamp
                                                                                                                                                                                                                                 the environmental impact of its
                               16 A | 30 mA                     JUNCTION
                          RCBO
                                                                  BOX
                                                                                                                                                                                                                                 products by eco-design, providing
                                                                                                                                                                                 Socket outlets

                                                                                                        Switch
                                                                                                                                                                                                                   Céliane
                                                                                                                                                                                                                                 environmentally friendly solutions
                                                                                                                                           Shaver socket
                                                                                                                                                                                                                                 that contribute to energy savings.
International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
02   Standard for low voltage installations
04   Overview of standards for socket outlets worldwide
06   IEC | British standard
06   Residential wiring diagram
08   Overview of the installation and related
     wiring accessories standard
10   Consumer units & Din-Rail equipment
     by Legrand Group
12   Wiring accessories by Legrand Group
14   IEC | German standard
14   Residential wiring diagram
16   Overview of the installation and related
     wiring accessories standard
18   Consumer units & Din-Rail equipment
     by Legrand Group
20   Wiring accessories by Legrand Group
22   IEC | French standard
22   Residential wiring diagram
24   Overview of the installation and related
     wiring accessories standard
26   Consumer units & Din-Rail equipment
     by Legrand Group
28   Wiring accessories by Legrand Group
30   IEC | Italian standard
30   Residential wiring diagram
32   Consumer units, Din-Rail equipment
     & wiring accessories by Legrand Group
34   IEC | Brazilian standard
34   Residential wiring diagram
36   Overview of the installation and related
     wiring accessories standard
38   Consumer units & Din-Rail equipment
     by Legrand Group
40   Wiring accessories by Legrand Group
42   IEC | Chinese standard
42   Residential wiring diagram
44   Wiring accessories by Legrand Group
46   Other IEC based installation rules
48   NEC | American standard
48   Residential wiring diagram
50   Overview of the installation and related
     wiring accessories standard
52   Consumer units & Din-Rail equipment
     by Legrand Group
54   Wiring accessories by Legrand Group
56   Energy distribution
58   Putting a stop to energy waste
60   From technical rooms to workstations
62   Residential multimedia networks
64   Home automation for everyone
66   Home automation “Prestige”
68   Complete solutions for other projects
70   Electrical symbols in the world
International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
02

     Standard
     for low voltage installations
     Type of standards (IEC/NEC) for low voltage electrical installations.

         IEC
         NEC                                                                                           This map is for guidance only, Legrand as a company cannot be held responsible
         IEC and NEC                                                                                     or liable for errors nor for changes that occur constantly with local standards.

     A                                                   Bolivia (230 V | 50 Hz)                                       Cuba (115/230 V | 60 Hz)
         Afghanistan (220 V | 50 Hz)                     Bosnia and Herzegovina (220 V | 50 Hz)                        Cyprus (230 V | 50 Hz)
         Albania (230 V | 50 Hz)                         Botswana (220 V | 50 Hz)                                      Czech Republic (230 V | 50 Hz)
         Algeria (220 V | 50 Hz)                         Brazil (220-127 V | 60 Hz)                                D
         Andorra (230 V | 50 Hz)                         Brunei Darussalam (240 V | 50 Hz)                             Denmark (230 V | 50 Hz)
         Angola (220 V | 50 Hz)                          Bulgaria (220/230 V | 50 Hz)                                  Djibouti (220 V | 50 Hz)
         Argentina (220 V | 50 Hz)                       Burkina Faso (230 V | 50 Hz)                                  Dominican Republic (240 V | 60 Hz)
         Armenia (220 V | 50 Hz)                         Burundi (220 V | 50 Hz)                                   E
         Australia (230 V | 50 Hz)                   C                                                                 Ecuador (110 V | 60 Hz)
         Austria (230 V | 50 Hz)                         Cambodia (220 V | 50 Hz)                                      Egypt (220 V | 50 Hz)
         Azerbaijan (220 V | 50 Hz)                      Cameroon (220 V | 50 Hz)                                      El Salvador (240/120 V | 60 Hz)
     B                                                   Canada (240/120 V, 240 V | 60 Hz)                             Eritrea (220 V | 50 Hz)
         Bahamas (120/240 V, 120/208 V | 60 Hz)          Central African Republic (220 V | 50 Hz)                      Estonia (220 V | 50 Hz)
         Bahrain (240 V | 50 Hz)                         Chad (220 V | 50 Hz)                                          Ethiopia (220 V | 50 Hz)
         Bangladesh (230 V | 50 Hz)                      Chile (220 V | 50 Hz)                                     F
         Belarus (220 V, 220/127 V, 127 V | 50 Hz)       China (220 V | 50 Hz)                                         Fiji (240 V | 50 Hz)
         Belgium (230 V | 50 Hz)                         Colombia (240/120 V, 208/120 V | 60 Hz)                       Finland (230 V | 50 Hz)
         Belize (110 V | 60 Hz)                          Congo (Democratic Republic) (220-240 V | 50 Hz)               France (230 V | 50 Hz)
         Benin (220 V | 50 Hz)                           Costa Rica (240/120 V | 60 Hz)                                French Overseas Territories (220 V | 50 Hz)
         Bhutan (230 V | 50 Hz)                          Croatia (230 V | 50 Hz)
International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
03

G                                                Madagascar (220/110 V | 50 Hz)                         Sierra Leone (230 V | 50 Hz)
    Gabon (220 V | 50 Hz)                        Malawi (230 V | 50 Hz)                                 Singapore (230 V | 50 Hz)
    Gambia (220 V | 50 Hz)                       Malaysia (240 V | 50 Hz)                               Slovakia (230 V | 50 Hz)
    Georgia (220 V | 50 Hz)                      Maldives (220 V | 50 Hz)                               Slovenia (230 V | 50 Hz)
    Germany (230 V | 50 Hz)                      Mali (220 V | 50 Hz)                                   Somalia (230 V, 220 V, 110 V | 50 Hz)
    Ghana (240-220 V | 50 Hz)                    Malta (230 V | 50 Hz)                                  South Africa (250 V, 230 V, 220 V | 50 Hz)
    Greece (230 V | 50 Hz)                       Mauritania (220 V | 50 Hz)                             Spain (220 V, 220/127 V | 50 Hz)
    Grenada (230 V | 50 Hz)                      Mauritius (220 V | 50 Hz)                              Sri Lanka (230 V | 50 Hz)
    Guatemala (220/110 V | 60 Hz)                Mexico (220/127 V, 220 V, 120 V | 50 Hz)               Sudan (240 V | 50 Hz)
    Guyana (120/240 V | 50 Hz, 60 Hz)            Moldova (220 V, 220/127 V, 127 V | 50 Hz)              Suriname (220/127 V | 60 Hz)
H                                                Monaco (220 V | 50 Hz)                                 Swaziland (230 V | 50 Hz)
    Haiti (220 V, 110 V | 60 Hz)                 Mongolia (220 V | 50 Hz)                               Sweden (230 V | 50 Hz)
    Honduras (220/110 V | 60 Hz)                 Morocco (220 V | 50 Hz)                                Switzerland (230 V | 50 Hz)
    Hungary (230 V | 50 Hz)                      Mozambique (220 V | 50 Hz)                             Syrian Arab Republic (220 V | 50 Hz)
I                                                Myanmar (230 V | 50 Hz)                            T
    Iceland (230 V | 50 Hz)                  N                                                          Taiwan (220 V | 60 Hz)
    India (230 V | 50 Hz)                        Namibia (220 V | 50 Hz)                                Tajikistan (220 V, 220/127 V, 127 V | 50 Hz)
    Indonesia (220 V | 50 Hz)                    Nepal (220 V | 50 Hz)                                  Tanzania (United Republic) (230 V | 50 Hz)
    Iran (220 V | 50 Hz)                         Netherlands (230 V | 50 Hz)                            Thailand (220 V | 50 Hz)
    Iraq (220 V | 50 Hz)                         New Zealand (230 V | 50 Hz)                            Togo (230 V | 50 Hz)
    Ireland (230 V | 50 Hz)                      Nicaragua (240/120 V | 60 Hz)                          Tonga (240 V | 50 Hz)
    Israel (230 V | 50 Hz)                       Niger (220 V | 50 Hz)                                  Trinidad and Tobago (230/115 V | 60 Hz)
    Ivory Coast (230 V | 50 Hz)                  Nigeria (230 V, 220 V | 50 Hz)                         Tunisia (230 V | 50 Hz)
    Italy (230 V | 50 Hz)                        Norway (230 V | 50 Hz)                                 Turkey (220 V | 50 Hz)
J                                            O                                                          Turkmenistan (220 V, 220/127 V, 127 V | 50 Hz)
    Jamaica (220/110 V | 50 Hz)                  Oman (240 V | 50 Hz)                               U
    Japan (110 V | 60 Hz)                    P                                                          Uganda (240 V | 50 Hz)
    Jordan (230 V | 50 Hz)                       Pakistan (230 V | 50 Hz)                               Ukraine (220 V | 50 Hz)
K                                                Panama (240/120 V | 60 Hz)                             United Arab Emirates (240 V | 50 Hz)
    Kazakhstan (220-230 V | 50 Hz)               Papua New Guinea (240 V | 50 Hz)                     United Kingdom of Great Britain
    Kenya (240 V | 50 Hz)                        Paraguay (220 V | 50 Hz)                           and Northern Ireland (230 V | 50 Hz)
    Korea (North) (220 V | 60 Hz)                Peru (220 V | 60 Hz)                                   United States of America (120/240 V, 208/120 V | 60 Hz)
    Korea (South) (110 V | 60 Hz)                Philippines (250 V | 60 Hz)                            Uruguay (220 V | 50 Hz)
    Kuwait (230 V | 50 Hz)                       Poland (230 V | 50 Hz)                                 Uzbekistan (220 V | 50 Hz)
    Kyrgyzstan (220 V | 50 Hz)                   Portugal (230 V | 50 Hz)                           V
L                                            Q                                                          Vanuatu (220 V | 50 Hz)
    Laos (220 V | 50 Hz)                         Qatar (240 V | 50 Hz)                                  Venezuela (120 V | 60 Hz)
    Latvia (220 V | 50 Hz)                   R                                                          Vietnam (220 V | 50 Hz)
    Lebanon (220 V | 50 Hz)                      Romania (230 V | 50 Hz)                            Y
    Lesotho (220 V | 50 Hz)                      Russian Federation (220 V | 50 Hz)                     Yemen (250 V | 50 Hz)
    Liberia (230 V, 220 V | 50 Hz)               Rwanda (220 V | 50 Hz)                             Z
    Libyan Arab Jamahiriya (220 V | 50 Hz)   S                                                          Zambia (230 V | 50 Hz)
    Liechtenstein (230 V | 50 Hz)                Saint Lucia (240 V | 50 Hz)                            Zimbabwe (225 V | 50 Hz)
    Lithuania (230 V | 50 Hz)                    Saint Vincent and the Grenadines (230 V | 50 Hz)
    Luxembourg (230 V | 50 Hz)                   Saudi Arabia (220/127 V | 60 Hz)
M                                                Senegal (220 V | 50 Hz)
    Macedonia (220 V | 50 Hz)                    Seychelles (230 V | 50 Hz)
International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
04

     Overview of standards
     for socket outlets worldwide
     The map gives an overview of which local standard a country belongs to.

         GERMAN
         FRENCH
         AMERICAN
         BRITISH
         AUSTRALIAN
         OTHERS
            1 Brazilian
            2 Danish
            3 European plug
            4 Israeli
            5 Italian
            6 Euro-US
            7 Chinese                                                      This map is for guidance only, Legrand as a company cannot be held responsible
            8 Indian                                                         or liable for errors nor for changes that occur constantly with local standards.

     A
         Afghanistan                            Benin                                       Colombia
           Albania                              Bhutan                                      Congo (Democratic Republic)
         Algeria                                Bolivia                                     Costa Rica
         Andorra                                Bosnia and Herzegovina                      Croatia
         Angola                                 Botswana                                    Cuba
         Argentina                          1   Brazil                                      Cyprus
         Armenia                                Brunei Darussalam                           Czech Republic
         Australia                              Bulgaria                               D
         Austria                                Burkina Faso                                    2   Denmark
         Azerbaijan                             Burundi                                 3   Djibouti
     B                                     C                                                Dominican Republic
           Bahamas                              6   Cambodia                           E
         Bahrain                                Cameroon                                        Ecuador
         Bangladesh                             Canada                                      Egypt
         Barbados                               Central African Republic                    El Salvador
         Belarus                                Chad                                        5   Eritrea
         Belgium                                Chile                                       Estonia
           Belize                           7   China                                       5   Ethiopia
International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
05

F                                        Lithuania                                    Saudi Arabia
    Fiji                                 Luxembourg                             Senegal
    Finland                          M                                          Seychelles
    France                               Macedonia                              Sierra Leone
    French Overseas Territories          Madagascar                             Singapore
G                                        Malawi                                 Slovakia
    Gabon                                Malaysia
                                                                                Slovenia
    Gambia                               Maldives
                                                                                3   Somalia
    Georgia                                  Mali
                                                                                South Africa
    Germany                              Malta
                                                                                Spain
                                         Mauritania
    Ghana                                                                       Sri Lanka
                                         Mauritius
    Greece                                                                          Sudan
                                         Mexico
    Grenada                                                                         Suriname
                                                    Moldova
    Guatemala
                                                                                Swaziland
                                         Monaco
        Guyana
                                         7   Mongolia                           Sweden
H
                                         Morocco
                                                                            3   Switzerland
    Haiti
                                             Mozambique                         Syrian Arab Republic
    Honduras
                                         Myanmar                            T
    Hungary
                                     N                                      6   Taiwan
I
                                         Namibia                                Tajikistan
    Iceland
                                         Nepal                                  Tanzania (United Republic)
8   India
                                         Netherlands                        6   Thailand
    Indonesia
                                         New Zealand                            Togo
    Iran
                                         Nicaragua                              Tonga
        Iraq
                                             Niger                              Trinidad and Tobago
    Ireland
                                         Nigeria                                    Tunisia
    4   Israel
                                         Norway                                       Turkey
    Ivory Coast
                                     O                                          Turkmenistan
5   Italy
                                               Oman                         U
J                                    P
    Jamaica                                                                     Uganda
                                         Pakistan
    Japan                                                                       Ukraine
                                         Panama
        5   Jordan                                                                  United Arab Emirates
                                         Papua New Guinea
K                                                                               United Kingdom of Great Britain
                                         Paraguay
    Kazakhstan                                                              and Northern Ireland
                                         Peru
    Kenya                                                                       United States of America
                                     6   Philippines
    Korea (North and South)                                                     Uruguay
                                         Poland
    Kuwait                                                                      Uzbekistan
                                         Portugal
    Kyrgyzstan                                                              V
                                     Q
L                                                                                   Vanuatu
                                         Qatar
6   Laos                             R                                              Venezuela
        Latvia                           Romania                            6   Vietnam
            Lebanon                      Russian Federation                 Y
    Lesotho                              Rwanda                                 Yemen
        Liberia                      S                                      Z
            Libyan Arab Jamahiriya       Saint Lucia                            Zambia
    Liechtenstein                        Saint Vincent and the Grenadines       Zimbabwe
International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
06

                                                          CONSUMER UNIT

                                                                                  Consumer unit

                                                                                                    45 A | 30 mA
     IEC | British                                                                                RCBO

     standard
     Typical residential wiring diagram issued from
     BS 7671 requirements for electrical installations.
                                                                                                    50 A | 30 mA
                                                                                                  RCBO
     | Consumer units and Din-Rail equipment
     by Legrand Group                            10-11
     || Wiring accessories by Legrand Group      12-13

                                                                                                    32 A | 30 mA
                                                                                                  RCBO

                                                                                                    20 A | 30 mA
                                                                                                  RCBO

                                                                                                     6A
                                                                                                  RCBO

                                                          N.B.: Conductors cross section
                                                          is calculated according to various
                                                          parameters for each circuit.
                                                          See regulations for details
                                                          of alternative options using
           For more details on countries
                                                          combinations of RCD and MCB.
           See maps page 02 to 05
International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
07

COLOUR CODE OF SOLID STRANDED FLEXIBLE CONDUCTORS

                                                                                                                                            BRITISH STANDARD
   or   Line                                                      MCB: Miniature circuit breaker
        Neutral                                                   RCBO: Residual current operated circuit breaker
        Earth                                                     with integral overcurrent protection

                                                                                              45 A Cable                  Cooker (range)
                                     45 A Wall                                                outlet
                                     Switch

                                                                                                                          Instant shower
                                                                                                           50 A Ceiling   unit
                                                                                                           switch

                                     Double 13 A socket outlets                                        Spur unit          Fixed appliance

                                     Simple 13 A
                                     socket outlets

                                                                                              20 A D.P. Wall              Water-heater
                                                                                              switch

                                     6 A Switch

             Ceiling rose
                                     All-insulated                                                                        All-insulated
                                     lampholder                                                                           lampholder
International electrical - standards & regulations - AN OVERVIEW OF ELECTRICAL INSTALLATIONS - Legrand
08   IEC I BRITISH STANDARD

     Overview of the installation
     and related wiring
     accessories standard

     t SUPPLY                                In general, a double pole switch         Socket outlets to BS 546 are
     Since 1 January 1995 nominal vol-       controls and isolates the appliance      no longer used in domestic
     tage in UK is 230 V +10% / - 6% a.c.    when necessary and the connection        installations in the UK but are still
     at 50 Hz. Earth is normally supplied    of the appliance can be made             widely used in some other countries.
     but may be local.                       either directly to the switch or via
                                             a flexible cable outlet. Switches        t PLUGS

     t
                                             should conform to BS EN 60669
       HOUSE SERVICE CUT-OUT                                                          Plugs of domestic appliances
                                             and Cooker Control unit to BS 4177.
     The Electricity Boards protective                                                should conform to BS 1363-1.
     device, usually a 80 A or a 100 A                                                They contain a fuse link
     HRC Fuse. It is sealed in a special                                              to BS 1362 of a rating appropriate
     housing to prevent tampering.                                                    to the flexible cord of the appliance
                                                                                      (max =13 A). Domestic appliances
     t
                                                                                      sold in UK must be fitted with
       METER
     Usually a dual meter for normal
     and off-peak energy consumption,                                                             9x4                    Ø 8,7
     sealed to prevent tampering.

                                                                                                                ,6
                                                                                                               28
                                                                                       22

     t CONSUMER UNIT
                                                                                            6x4          6x4                     Ø7
     It houses the main switch which
                                                                                                                          25,4
     isolates the total installation and                                                           22

     the individual circuit protection                                                       13A BS1363-1t           15A BS546
     devices. The consumer unit should
                                             FLUSH FITTING OF TWO GANG SOCKET
     comply with BS EN 60439-3.                                                       a BS 1363-1 plug, further the UK
     Circuit protection is normally                     Height     Width
                                                                             Fixing   plug and socket safety regulations
                                                                            centres
     provided by miniature circuit                                                    require mandatory third party
     breakers to BS EN 60898 (older          1 gang     75 mm     75 mm     60.5 mm   certification of plugs.
     installation may have fuse              2 gang     75 mm     135 mm    121 mm
     protection). The consumer unit may
                                                                                      t LIGHTING CIRCUITS
     also contain one or more residual
                                             t SOCKET OUTLET CIRCUITS
     current devices providing additizo-                                              Usually a circuit supplies several
     nal protection in all or part of the    Socket outlets should comply with        lighting points in turn. A lighting
     installation (older installations may   BS 1363-2 and are usually of the         point usually consists of a ceiling
     not have RCD protection provided).      switched type. They are usually          rose in which incoming, outgoing
                                             supplied via a ring final circuit        and switch connections are made
                                             which is a circuit running from          and a pendant flexible cord
     t  POWER CIRCUITS                       the protection device to each outlet     supplying an attached lampholder
     Appliances having heavy current         and then returning to the protection     or may be a complete luminaire.
     consumption (cookers, water-            device. Permanent connections            Light switches should meet
     heaters, etc.) should each be           to a ring final circuit and branches     BS EN 60669-1. Dimmers should
     supplied on a specific circuit          off the ring are made via fused          meet BS EN 60669-2-1.
     of the appropriate rating.              connection units to BS 1363-4.
09
     I N S TA L L AT I O N R U L E S
     BS 7671, “Requirements for Electrical              BS 7671 is also available from BSI,
     Installations” is published by the Institution     The various British standards governing

                                                                                                                                                         BRITISH STANDARD
     of Engineering                                     the construction of electrical equipment are also
     and Technology and BSI, it governs all domestic    available at the BSI shop on their website:
     electrical installations (and many other types).   www.bsigroup.com
     Copies are available from:                         BSI also maintains a database available
     THE INSTITUTION OF ENGINEERING                     for enquiries covering all British standards.
     AND TECHNOLOGY
     MICHAEL FARADAY HOUSE
     SIX HILLS WAY,
     STEVENAGE, SG1 2AY UK

t  BATHROOMS                                            t  EARTHING                                         insulated earth conductors,
The wiring regulations are very                         Socket outlets to BS1363-2                          both solid conductors and flexible
strict. Every switch or other means                     have provision for earthing.                        conductors are either coloured
of electrical control or adjustment                     A protective conductor (which could                 green or yellow or sleeved as such.
shall be so situated as to be                           also be steel conduit) is generally
normally inaccessible in the                            required for all low voltage circuits               t CABLING
bathroom. The required Ingress                          (1000 V a.c. between conductors)
                                                                                                            Most domestic wiring is done in
protection is managed through                           and its continuity must be proved.
                                                                                                            flat p.v.c. insulated and sheathed
a series of defined zones                               All main incoming services,
                                                                                                            3 core cable (flat twin and earth).
progressively from the bath                             for example, water and gas pipes
                                                                                                            Maximum use is made of floor
or shower. Pull cord switches                           and metallic parts of the building
                                                                                                            and internal wall voids to run
are allowed, shaver sockets with                        structure, etc. must be bonded
                                                                                                            cables. Surface installations
isolating transformers are also                         and connected to the main
                                                                                                            are run in conduit or trunking,
allowed but should conform                              earthing terminal of the installation.
                                                                                                            these can be plastic or metal.
to BS EN 61558-2-5.                                     In addition it may be necessary
                                                                                                            Various British standards govern
                                                        to supplementary bond water
                                                                                                            the design and construction of
                                                        and waste pipes, sinks and other
                                                                                                            conduits, trunking and cable.
                                                        metallic items such as central
                                                                                                            Wiring accessories may be
                                                        heating radiators. However in
                                                                                                            installed in plastic or (more often)
               Zone 1   Zone 2                          rooms with a fixed bath or shower,
                                                                                                            metal flush boxes to BS 4662.
                                                        supplementary bonding must
                                                                                                            Surface installations are made
                                                        be applied to simultaneously
                                                                                                            in appropriate proprietary boxes.
                                                        accessible metal parts unless
      225 cm

                                                        RCD protection of all circuits                      Typically:
                                                        in the bathroom is provided.

                                                        t POLARITY

                                                        The polarity is conserved and
                                                        marked throughout the installation:
               Zone 0   60 cm
                                                        Live:
                                                        Terminals marked L are for brown
                                                        coloured insulated conductors,
    Note: For showers without basins (eg wet-room)      both solid conductors and flexible
    zone 1 is extend to 120cm from the centre point     conductors are coloured brown
    of the water outlet.
                                                        Neutral:
                                                        Terminals marked N are for blue                     16 mm plaster depth box   25 mm socket box
t OUTDOORS                                              coloured insulated conductors,
Any socket outlet provided                              both solid conductors and flexible
outdoors or intended to supply                          conductors are coloured blue.
outdoor equipment (e.g. electric                        Earth:
lawn-mowers should have                                 Terminals marked E or are
a 30 mA RCD protection).                                for green/yellow coloured
10   IEC I BRITISH STANDARD

     Consumer units and Din-Rail
     equipment by Legrand Group
     The Legrand range of insulated and metal consumer units offers flexible and easy installation for a wide range
     of configurations from full Lexic RCBO protection to mixes of Lexic RCBs, MCBs and RCBOs.
     Ekinoxe consumer units have been designed to provide a new dimension of protection in homes, offices and industries.
     With a stylish colour, elegant curves and distinctive finish, Ekinoxe blends in perfectly with any interior decor.
     Legrand Lexic modular circuit breakers offer an extensive range of characteristics and can be used to organise distribution
     in rows as required, up to 125 A. It is the ideal universal solution for all commercial and residential installations.
     t

         SPECIFIC TO UK MARKET
      Consumer units

           INSULATED DUAL WITH RCD INCOMER      INSULATED DUAL RCD SPLIT LOAD                   METAL DUAL RCD SPLIT LOAD
           8 modules unit                       16 modules unit                                 16 modules unit

      Din-Rail equipment

            ISOLATING               RCCB - DX       RCBO              MCB - DX    TIME SWITCH       SURGE PROTECTION        CONTACTOR
            SWITCH                                                                                  DEVICE
11

                                                                                                                       BRITISH STANDARD
                                                                                                   Power protection
                                                                                                   See page 56 to 57
t

    SPECIFIC TO INDIAN MARKET (see p. 46-47 for standards organization)
Consumer units

       EKINOXE DBs                              EKINOXE DBs                     EKINOXE DBs
       8 ways                                   12 ways                         IP 43 with acrylic door

Din-Rail equipment

          MCB                     ISOLATOR SWITCH                 MCB FOR D.C      RCBO
12   IEC I BRITISH STANDARD

     Wiring accessories
     by Legrand Group
     All the expertise of the Legrand Group has been brought into play to offer markets governed by the British
     Standard a unique selection of wiring accessory ranges, in terms of both finish and function, and thus cover
     all requirements in all sectors of the residential and commercial markets.
     Arteor, the Legrand Group’s new international range complies with all international standards and offers
     the very best in terms of innovation, design and technology.

      Arteor by Legrand

           TATOO - EDITION 1             GRAPHIC - FORMAL               BRUSHED METAL - STAINLESS STEEL   WOOD - WENGE STYLE
           Switch                        Switch                         Switch                            Switch

           MIRROR BLACK                     MIRROR WHITE                      GALUCHAT                          SIGNATURE
           Micropush switch                 Shutter control                   Sensitive switch                  Universal dimmer

      Synergy by Legrand                                                Mallia by Legrand

           MODERN - SILVER                  FLAT PLATE - BLACK NICKEL        WHITE                              SILVER
           Socket                           Switch                           Switch                             Switch
13

                                                                                                              BRITISH STANDARD
                                                                                          Home automation
                                                                                          See page 64 to 67

Axolute by Bticino

     WHITE LIMOGES                     RED CHINA            BRUSHED BRONZE       BLACK GLASS
     Switch                            Switch               Switch               Socket

     LIQUID WHITE                      MATT GOLD            CHERRY WOOD          SHINY INOX ALESSI STEEL
     Switch                            Switch               Switch               Switch

Living, Light, Light Tech by Bticino

     LIVING - NATIVE                   LIVING - SOLID RED   LIGHT - SATIN GOLD   LIGHT TECH - ALU TECH
     Switch                            Switch               Switch               Switch
14

                                                           CONSUMER UNIT

                                                                   FUSE                       500 mA

                                                                                    RCBO

     IEC | German                                                                                      RCBO
                                                                                                            16 A | 30 mA

     standard
     Typical residential wiring diagram issued from
     VDE 0100 requirements for electrical installations.
                                                                                                            16 A
     | Consumer units and Din-Rail equipment                                                           CB
     by Legrand Group                             18-19
     || Wiring accessories by Legrand Group       20-21

                                                                                                            16 A | 30 mA
                                                                                                       RCBO

                                                                                                            16 A | 30 mA
                                                                                                       RCBO

                                                                                                            32 A
                                                                                                       MCB

                                                                                                            20 A
                                                           N.B.: Conductors cross section              MCB
                                                           is calculated according
           For more details on countries
                                                           to various parameters for each circuit.
           See maps page 02 to 05
15

COLOUR CODE OF SOLID STRANDED FLEXIBLE CONDUCTORS     CB: Circuit breaker
        Line                                          MCB: Miniature circuit breaker
        Neutral                                       RCBO: Residual current operated circuit breaker
        Earth                                         with integral overcurrent protection

                                                                                                                                              GERMAN STANDARD
     JUNCTION                                                                            JUNCTION
                                                     2 way switch
       BOX                                                                                 BOX

                                                     Compact
                                                     fluorescent lamp
                                                                                                                             Socket outlets

     JUNCTION
       BOX
                                                                                                               Switch and socket

                                                     Fluorescent
                                                     lamp

                                                     Switch

     JUNCTION                                  LED   Lamp
       BOX                                                                               JUNCTION
                                                                                           BOX

                                               LED   LED lamp

                                                                                                                             Socket outlets

                                                     Lamp

                                                                                                        Lamp
     JUNCTION
       BOX
                                                                                                                             Socket outlets

                                                     Switch

                                                                                       Shaver socket

                                                                                                                             Cooker (range)

                                                                                                                             Water-heater
16   IEC I GERMAN STANDARD

     Overview of the installation
     and related wiring
     accessories standard

     t  SUPPLY                               It is not uncommon to find 3 phases       t DAMP & OUTDOOR
     May be single phase (230 V-50 Hz)       appliances. Protection rating             INSTALLATIONS
     or - in the majority of cases -         and cable size of each circuit are        Special rules apply, in particular
     3 phases (400 / 230 V-50 Hz).           calculated according to the appliance     for IP rating of accessories and
     Max. Tolerance (voltage): + 6% /        (min section 1.5 mm2 Cu 16 A).            equipment and RCD Protection.
     -10%. TN- and TT- systems are
     in use. TT- systems are the most
     common in domestic installations.       t  GENERAL CIRCUITS                       t  EARTHING
     There is usually one meter.             These circuits supply both                Earthing is local, usually through
     Facilities are provided with            lighting points and socket outlets.       a foundation earthing arrangement.
     a second meter for special              The rating of the protective device       All metallic services shall be
     tariffs, etc.                           is usually 16 A.                          bonded (gas and water pipe,
     A fuse isolator unit allows all         There is no limitation of the number      heating, waste systems, etc.) with
     phases to be cut-off, isolating         of outlets on a circuit. This limit is    a 10 mm2. In bathrooms the local
     the whole domestic installation.        calculated according to expected/         equipotential bonding could have
                                             probable use of the circuit. Socket       a cross sectional area of 4 mm2.
                                             outlets are generally of the 2P+E         Neutral is re-earthed in the control
     t  DISTRIBUTION BOARD                   type “German". These plugs are            panel. A protective conductor
     The distribution board usually          non polarized.                            is distributed to all socket outlets.
     contains pre-fuses (for example         All German socket outlets are
     3 x 32 A), RCBO 30 mA for house-        earthed. In general, the protective
     hold applications (1 or 3 poles).       conductor is distributed throughout       t INSTALLATION RULES
     Transformer(s) as for entry door        all circuits. For class II devices        The installation must comply
     systems, MCB (16 A for general          < 2.5 A, the Euro-plug is used.           with the requirements of VDE 0100
     circuits up to 32 A (3 poles) for       The wire cross-section of the             and the “TAB” (TAB = technische
     (water) heating systems). Time lag      fixed installed cables is normally        Anschlussbedingungen = special
     switches in dwellings. These devi-      1.5mm² (protected by a 16 A Circuit       requirements of the energy
     ces are all mounted on a DIN-Rail.      Breaker).                                 supplier, for example EON, RWE,
                                                                                       EnBw or Wattenfall). Installations
                                                                      PE
                                                                                       may only be erected by registered
     t POWER CIRCUITS                                                                  and qualified electricians.
                                                                           Ø 4.8 mm
     Single phase up to 3 WA, 7.3 KVA:                                           L+N
     3 phases.
     Electrical appliances having
     a high power consumption                                 19 mm
     (cookers, washing machines, etc.)
     are supplied via a specific circuit                              PE
     and connected either to 16 A
     socket-outlet or cable outlet or to         16 A German - plug
     a specific socket Perilexi or CEE 17.
I N S TA L L AT I O N R U L E S                                                                                                       17
    The installation should comply with            Organisations:
    the requirements of VDE 0100 and the “TAB”     DKE
    (TAB = technische Anschlussbedingungen =       60596 Frankfurt, Stresemannallee 15
    special requirements of the energy supplier,   www.dke.de
    for example EON, RWE, EnBw or Wattenfall).     VDE-Verlag
    Installations should only be completed         10625 Berlin, Bismarckstraße 33
    by registered and qualified electricians.      www.vde-verlag.de

                                                                                                                                          GERMAN STANDARD
                                                                                                  t ACCESSORIES
                                                                                                  They shall comply to the appropriate
                                                                                                  VDE standards. Flush accessories
                                                                                                  are fitted in boxes. Claw-mounting
                                                                                                  and screw-mounting are used.

                                    cm
                               60

                                                           Bereich        Bereich
                                                                                         225 cm

                                                              1              2

                Bereich          Bereich
                   1                2

                Bereich
                   0
                                 60 cm                     Bereich         60 cm
                                                              0
                                                                                                  t ENERGY SAVING

                                                                                                  & REGENERATIVE POWER
                                                                                                  GENERATION
                                                                                                  Single-room heating control
                                                                                                  and time-controlled hot water
t                                                  outside “Bereich 0” and in “Bereich 1”.        supply is mandatory due
   BATHROOMS
                                                   Zone “Bereich 2”: Only Electrical              to the EnEV (energy saving
Special rules apply to bathrooms.
                                                   equipment supplied by SELV- or                 directive). Airproof installations
The room is divided into different
                                                   PELV (max. 25V AC or max.60V DC)               are common in low energy-
zones:
                                                   are allowed. Only shaver sockets               buildings. More and more roofs
Zone “Bereich 0”: Electrical equip-
                                                   according to DIN EN 61558-2-5                  are equipped with photovoltaic cells.
ment are not allowed. Only special
SELV-devices, max.12V AC or max.                   are allowed.
30V DC are allowed. The power                      In bathrooms, an additional
supply for these SELV-circuits                     equipotential bonding and RCDs
is not allowed in “Bereich 0”                      (30 mA) protection for socket
and in “Bereich 1”.                                outlets are mandatory (Details
Zone “Bereich 1”: Only fixed                       in the DIN VDE 0100-701).
installed electrical equipment
for hot water production and SELV-
or PELV –devices (max. 25V AC                      t HOME AND BUILDING CONTROL

or max. 60V DC) are allowed.                       KNX (EIB) ISO/IEC14543,
The power supply for the SELV- or                  EN50090 is common in big
PELV -circuits has to be installed                 and luxury installations.
18   IEC I GERMAN STANDARD

     Consumer units and Din-Rail
     equipment by Legrand Group
     Surface-mounting or flush-mounting Nedbox is a 63 A low voltage consumer unit for easy and clever cabling.
     The consumer unit is especially suited to housing and small commercial applications in Central Europe
     (Germany, Austria, Poland, Sweden, Hungary...).
     Lexic range is Legrand's insurance of high performance, providing safety, simplicity and freedom of installation.
     For easier installation in residential applications, Lexic range offers a large choice of functions such as MCBs, RCDs,
     voltage surge protector, auxiliaries, Stop and Go automatic resetting.

      Consumer units

                    NEDBOX                                                        FLUSH-MOUNTING DISTRIBUTION BOARD
                    2 rows of 12 modules                                          2 rows of 12 modules
19

                                                                                    GERMAN STANDARD
                                                                Power protection
                                                                See page 56 to 57

Din-Rail equipment

     RCD - DX        VOLTAGE SURGE   TIME-LAG     RCD - DX       MCB - DX
                     PROTECTOR       SWITCH

     RCD - DX        RCD - DX        MCB - DX-E   MCB - DX-E   PULSE OPERATED
                                                               LATCHING RELAY
20   IEC I GERMAN STANDARD

     Wiring accessories
     by Legrand Group
     The Legrand Group offers the most comprehensive ranges on the market to meet all your requirements. It is constantly
     adding new functions to make these ranges even better in terms of sustainable development, accessibility and comfort.
     With an unrivalled choice of shapes and finishes, you can be certain of being able to incorporate these functions stylishly
     in all your projects.
     With the Legrand Group you can enhance electrical installations in the eyes of your customers, offering them solutions
     that meet their requirements for high quality, ease of use and attractive appearance.

      Céliane by Legrand

           MICA                           COBALT                         NICKEL VELVET                    CORIAN® NOCTURNE
           Switch                         Switch                         Switch                           Switch

           MAHOGANY                        PORCELAIN                      KAOLIN GLASS                    CAMEL LEATHER
           Switch with lever               Touch control switch           Silent switch                   Touch-sensitive switch

      Valena by Legrand

           WHITE                          IVORY                             ALUMINIUM                          IVORY - TERRA
           Switch                         Socket                            Switch                             Switch
21

                                                                                                                  GERMAN STANDARD
                                                                                              Home automation
                                                                                              See page 64 to 67

Axolute by Bticino

     LIQUID WHITE                      SHINY INOX ALESSI STEEL   RED CHINA            BLACK GLASS
     Switch                            Switch                    Switch               Switch

Living, Light, Light Tech by Bticino

     LIVING - NATIVE                   LIVING - SOLID RED        LIGHT - SATIN GOLD   LIGHT TECH - ALU TECH
     Switch                            Switch                    Switch               Socket

Màtix by Bticino

     MÀTIX-WHITE                       MÀTIX-IVORY               MÀTIX-SILVER         MÀTIX-TITANIUM
     Switch                            Switch                    Switch               Switch
22

                                                       CONSUMER UNIT

                                                                     500 mA
                                                               15 A/30 A/45 A/60 A
                                                             RCBO

     IEC | French                                                             40 A | 30 mA
                                                                            RCCB

     standard
     Typical residential wiring diagram
     issued from NFC 15-100 requirements
     for electrical installations.
     | Consumer units and Din-Rail equipment
     by Legrand Group                          26-27
     || Wiring accessories by Legrand Group    28-29                          40 A | 30 mA
                                                                            RCCB

                                                                              63 A | 30 mA
                                                                            RCCB

                                                                              40 A | 30 mA
                                                                            RCCB

          For more details on countries
          See maps page 02 to 05
23

COLOUR CODE OF SOLID STRANDED FLEXIBLE CONDUCTORS      CB: Circuit breaker
   or   Line                                           RCCB: Residual current circuit breaker
        Neutral                                        RCBO: Residual current operated circuit breaker
        Earth                                          with integral overcurrent protection

                              2,5 mm2
                  20 A
                         CB
                                                                                                                      Dish-washer
                              1,5 mm2
                  10 A
                         CB
                                                    Switch                     Lamp
                              2,5 mm2
                  16 A
                         CB                                                                                           Socket outlets

                              2,5 mm2
                  16 A

                                                                                                                                       FRENCH STANDARD
                         CB
                                                                                                                      Socket outlets

                              2,5 mm2
                  20 A
                         CB
                                                                                                                      Water-heater
                              1,5 mm2
                  10 A
                         CB
                                                    Switch                     Lamp
                              2,5 mm2
                  16 A
                         CB
                                                                                                                      Socket outlets
                              2,5 mm2
                  10 A
                         CB
                                                    Switch                     Lamp

                              2,5 mm2
                  20 A
                         CB                                                                                           Washing
                                                                                                                      machine
                              2,5 mm2
                  20 A
                         CB
                                                                                                                      Electric dryer
                              6 mm2
                  32 A
                         CB
                                                                                                                      Cooker

                              2,5 mm2
                  20 A
                         CB                                                                                           Electrical
                                                                                                                      heating
                              2,5 mm2
                  20 A
                         CB                                                                              Electrical
                                                                                                         heating
                              2,5 mm2
                  20 A
                         CB                                                                                           Electrical
                                                                                                                      heating
                              2,5 mm2
                  16 A
                         CB                                                    Socket
                                                                               outlets
                              2,5 mm2
                  16 A
                         CB
                                                                                                                      Socket outlets
                              1,5 mm2
                  10 A
                         CB                                                    Compact
                                                                               fluorescent lamp
24   IEC I FRENCH STANDARD

     Overview of the installation
     and related wiring
     accessories standard

     t  SUPPLY                                 t CONSUMERS DISTRIBUTION                t CIRCUIT PROTECTION AGAINST
     Usually single phase (230 V / 50 Hz).     BOARD                                   OVERCURRENT
     Earth is usually local (TT system).       All the protection and control          Each circuit has to be protected
     The protective conductor                  functions of the electrical             against overcurrent at its origin.
     is mandatory in every circuit.            installation are located in the main    The overcurrent protection device
     An AD fuse is installed on the            household trunking (called GTL).        shall ensure the simultaneous
     phase in conjunction with the main        The power distribution panel board      breaking of both phase and neutral
     circuit breaker.                          and the communication panel             conductors. The protection device
                                               board are located in the GTL.           should be a miniature circuit
                                                                                       breakers or a fuse cartridge.
     t METER

     A single kW/h meter is supplied.          t  POWER DISTRIBUTION PANEL
     If an optional off-peak power fare        BOARD                                   t  SPECIALIZED CIRCUITS
     is subscribed, a 2-fares meter            This panel board concentrates all       Some appliances (e.g. washing
     with pilot-line switching is installed.   the control and protection functions    machine, freezer, dishwasher, etc)
                                               of the electrical installation.         should be supplied by a dedicated
     t MAIN CIRCUIT-BREAKER
                                               The protection against overcurrent      circuit having the appropriate cross
                                               (short circuit and overload)            sectional area and overcurrent
     This device has 3 functions:
                                               is provided by circuit-breakers         and RCD protection. They will be
     - Acts as the main switch
                                               or fuses. All the circuits have to be   connected either via a socket
       of the installation
                                               protected by a 30 mA RCD in order       or via a cable outlet box (e.g. oven,
     - Limits the current consumption
                                               to provide the complementary            cooking plate, water-heater).
       to a pre-settled level of the
                                               protection against the direct
       contract with electricity supplier
                                               contacts. Other devices could be
     - Provides protection against indirect                                            t
                                               located in the panel board as:            SOCKET OUTLETS
       contact through a residual current
                                               - Time switches and time delay          The socket outlet circuits are
       protection (type S, 500 mA).
                                                 relays                                installed in a star configuration.
                                               - Bell transformer                      The maximum number of socket-
     t LIGHTNING PROTECTION                    - Power relays (heating, etc)           outlets is 8 on a 2.5 mm2 circuit
     The installations supplied                - Latching relays for lighting          and 5 on a 1.5 mm2 circuit.
     by an overhead electric Iine              - Signalling lamps                      Socket outlets are of the earthed
     and located in high risk lightning        - Daylight/dusk switches                type 2P+E. Shutters are mandatory
     areas have to be protected by             - Dimmers                               for all type of socket-outlets
     a Surge Protective Device (SPD)           - Land-shedding relays                  up to 32 A.
     installed downstream of the main          - Off-peak power relays
     residual current circuit breaker.         - Buzzer or bell.
                                                                                       t PLUGS
     The Surge Protective Device has
     to be connected to the main earth                                                 They can be 2P or 2P+E type.
     terminal of the consumer unit.                                                    The flat bodied 2P type should
                                                                                       have sleeved pins. Specific 20 A
I N S TA L L AT I O N R U L E S                                                                                                                           25
    All the low voltage electrical installation shall    From:
    comply with the French standard NF C 15100.          UTE
    This standard provides detailed rules concerning     ute@ute.asso.fr
    all the aspects of the wiring and designing of the   http://www.ute-fr.com
    installation. Copies of the standards, as well as    Helpful practical guides are available from:
    other French electrical standards are available      Promotelec
                                                         http://www.promotelec.com

and 32 A plugs are also available                        t ELECTRICAL ACCESSORY                                       t COMMUNICATION BOARD

                                                                                                                                                              FRENCH STANDARD
for high power circuits.                                 INSTALLATION                                                 In the domestic installation
                                                         Switches, sockets, etc., should                              a communication board is installed
                                                         be installed in a flush or surface                           in the main household trunking
t  LIGHTING POINTS                                       mounted box or in an especially                              (GTL). It is the central part
The lighting circuits are installed                      designed trunking system.                                    of the communication network
in a star configuration. A maximum                       All the accessories have to be                               of the dwelling.
of 8 points per circuit is allowed,                      screw fitted.                                                Each room of the dwelling
each controlled by switches                                                                                           is supplied by a twisted pair cable
or dimmers. Multiple-point control                                                                                    originating from the communication
of lighting is usually achieved by                       t  OUTDOOR CIRCUITS                                          board and terminating with an RJ 45
latching relays and push-buttons.                        The use of a 30 mA RCD protection                            socket. This communication network
The use of time-lag switches                             is mandatory for the protection                              is able to provide different services
for the light control in public                          of the domestic outdoor circuits.                            such as telephone, Ethernet and TV.
areas is also recommended.                               Outdoor sockets should be at least
                                                         IP 44.

t  EARTHING
The earthing terminal is usually                         t  BATHROOMS
provided by a closed loop founda-                        Specific rules apply for circuits
tion earth electrode.                                    in bathrooms.
Supplementary bonding of metal
fittings in bathroom, kitchens, etc.,
is mandatory.
                                                                                                                          Out of volume

t  CABLING
Most domestic wiring is run either
in plastic surface mounted trunking
                                                                                        Zone1       Zone 2                Zone 3
or in plastic flushed-in conduit
                                                                           225 cm

systems. Generally PVC insulated
                                                                                                                                          225 cm

                                                                                                                                                   300 cm

solid copper conductors are used                                                                    60 cm
in fixed wiring.
                                                                                                                          240 cm
Concerning the surface-mounted
trunking systems, the protection                                                        Zone 0

against the external influences has
                                                                   Base: bottom
to be ensured throughout the entire                                  of the bath
length of the circuit.                                                                      Space under the bath :
                                                                                            IP x 4 minimum in all cases
26   IEC I FRENCH STANDARD

     Consumer units and Din-Rail
     equipment by Legrand Group
     The enclosures for the French residential system fit perfectly into all indoor, outdoor or design projects.
     The modular products protect people and property, as well as the most sensitive equipment:
     including protection against voltage surges and protection with a high level of immunity.
     The Stop&Go increases continuity of service on circuits that require special monitoring
     (aquarium, refrigerator, freezer) and management products, combining ease of use and energy saving.

      Consumer units

            EKINOXE TX                                 NX                                               PRACTIBOX
            3 rows of 12 modules                       2 rows of 12 modules                             3 rows of 12 modules

            PLEXO3                                     DISTRIBUTION BOARD
            2 rows of 12 modules                       FOR SPECIAL TARIFF
                                                       1 row of 12 modules
27

                                                                        Power protection
                                                                        See page 56 to 57

                                                                                            FRENCH STANDARD
Din-Rail equipment

          RCD - DX   RCD - DX                      RCD - DX      VOLTAGE SURGE
                     Automatic terminals                         PROTECTOR

         E.L.C.B.       MCB - DNX 4500     STOP&GO                    PULSE OPERATED
                                           Automatic resetting        LATCHING RELAY
28   IEC I FRENCH STANDARD

     Wiring accessories
     by Legrand Group
     A new generation of wiring accessories for all your lighting, energy distribution,
     data and audio-video content, blind management, climate control and safety requirements.
     Offers to suit all your sites, with a unique range of designs and user interfaces.
     All with the high quality mechanisms and modular design that have made the Legrand Group
     the world standard for wiring accessories.

      Céliane by Legrand

          TITANE                        COBALT                       NICKEL VELVET              CORIAN® NOCTURNE
          Socket                        Switch                       Switch                     Switch

          MAHOGANY                       PORCELAIN                     KAOLIN GLASS             CAMEL LEATHER
          Switch with lever              Touch control switch          Silent switch            Touch-sensitive switch

      Valena by Legrand

          WHITE                         IVORY                           ALUMINIUM                    IVORY - TERRA
          Switch                        Socket                          Switch                       Switch
29

                                                                                         Home automation
                                                                                         See page 64 to 67

                                                                                                             FRENCH STANDARD
Axolute by Bticino

     WHITE LIMOGES                     RED CHINA            BRUSHED BRONZE       BLACK GLASS
     Switch                            Switch               Switch               Switch

     LIQUID WHITE                      MATT GOLD            CHERRY WOOD          SHINY INOX ALESSI STEEL
     Switch                            Switch               Switch               Switch

Living, Light, Light Tech by Bticino

     LIVING - NATIVE                   LIVING - SOLID RED   LIGHT - SATIN GOLD   LIGHT TECH - ALU TECH
     Switch                            Switch               Switch               Socket
30

                                                    CONSUMER UNIT

                                                        METER

                                                                Main CB

     IEC | Italian
     standard                                                     30 mA | 25 A
                                                                RCBO

     Typical residential wiring diagram
     issued from IEC EN 64-8 requirements
     for electrical installations.                                                 16 A
                                                                                 MCB
     | Consumer units and Din-Rail equipment
     by Legrand Group                          32
     || Wiring accessories by Legrand Group    33

                                                                                   16 A
                                                                                 MCB

                                                                                   10 A
                                                                                 MCB

                                                                                   10 A
                                                                                 MCB

                                                                                   10 A
                                                                                 MCB

                                                                                   10 A
                                                                                 MCB

          For more details on countries
          See maps page 02 to 05
31

COLOUR CODE OF SOLID STRANDED FLEXIBLE CONDUCTORS           MCB: Miniature circuit breaker
   or   Line                                                RCBO: Residual current operated circuit breaker with integral overcurrent protection
        Neutral                                             CB: Circuit breaker
        Earth

                                    Socket outlets - 16 A                                                     Socket outlets - 16 A

                                                                                                                                                   ITALIAN STANDARD
                                    Socket outlets - 16 A                                                     Socket outlets - 16 A

                                    Socket outlets - 10 A                                                     Socket outlets - 10 A

                                    Socket outlets - 10 A                                                     Socket outlets - 10 A

             Switch                 Lamp                             Lamp                                      Lamp

             Switch                 Lamp                             Lamp                                      Lamp
32   IEC I ITALIAN STANDARD

     Consumer units,
     Din-Rail equipment...
     The consumer unit range includes resin flush-mounted cabinet E215, 2 and 3 rows IP40,
     for residential applications, and wall-mounted cabinet Idroboard IP65 for industrial and
     service sector applications.
     Btdin is a complete range of thermal magnetic circuit breakers and earth leakage devices,
     and is completed by a full range of auxiliary items: insulating switches, control devices and
     the new automatic resetting Stop&Go for domestic RCD.                                                                     Power protection
                                                                                                                               See page 56 to 57

      Consumer units

           E215                                            E215                                         IDROBOARD
           2 rows of 12 modules                            3 rows of 12 modules                         2 rows of 12 modules

      Din-Rail equipment

           RCD                    CONTACTOR   VOLTAGE                ISOLATING    AUTOMATIC RESETTING              MCB
                                              SURGE PROTECTION       SWITCH       STOP & GO
33

... wiring accessories
by Legrand Group
Axolute, the luxury range offering a wide choice of materials and prestigious finishes
coupled with the performance of the latest digital technologies.
Light and Light Tech, two ranges offering harmonious and rational geometry
Living, tender and rounded forms hosting elegant grey devices.
Màtix, a perfect solution for residential projects and building contractors.
                                                                                                        Home automation
                                                                                                        See page 64 to 67

 Axolute by Bticino

                                                                                                                            ITALIAN STANDARD
      LIQUID WHITE                      BRILLIANT INOX ALESSI      RED CHINA              BLACK GLASS
      Switch                            Switch                     Switch                 Switch

 Living, Light, Light Tech by Bticino

      LIVING - CHERRY WOOD              LIVING - TRUE GOLD         LIGHT - JELLY ORANGE   LIGHT TECH - CHROME
      Switch                            Switch                     Switch                 Switch

 Màtix by Bticino

      MÀTIX-WHITE                       MÀTIX-COBALT              MÀTIX-BLACK NICKEL      MÀTIX-TERRACOTTA
      Switch and socket                 Switch                    Switch                  Switch
34

                                                       CONSUMER UNIT

                                                                          N L1 L2

                                                                              300 mA | 63 A

                                                                                           RCBO or MCB 63 A

     IEC | Brazil                                                                     30m A | 32 A

     standard
                                                                                    RCBO (1 RCCB + 1 MCB)
                                                                                    (Mandatory)

     Typical residential wiring diagram                                                                                     20 A
     issued from ABNT NBR 5410 requirements
                                                                                                                         MCB
     for electrical installations.
     | Consumer units and Din-Rail equipment
     by Legrand Group                          38-39
     || Wiring accessories by Legrand Group    40-41
                                                                                                                            20 A
                                                                                                                         MCB

                                                                                      30m A | 40 A
                                                                                    RCCB (Mandatory)

                                                                                                                            20 A
                                                                                                                         MCB

                                                                                                                            16 A
                                                                                                                         MCB

                                                                                                                            16 A
                                                                                                                         MCB

                                                                                      30m A | 40 A                          32 A
                                                                                    RCCB (Optional)                      MCB

                                                                                                                            20 A
                                                                                                                         MCB

                                                       The nominal cross-sectional area of conductors
                                                       and the rated currents of MCB's, RCBO's
                                                       and RCCB's should be dimentioned as prescribed
                                                                                                              Optional circuits
                                                       in the ABNT NBR 5410 - Electrical installation
          For more details on countries
                                                       of buildings low voltage standard.
          See maps page 02 to 05
35

COLOUR CODE OF SOLID STRANDED FLEXIBLE CONDUCTORS   MCB: Miniature circuit breaker
        Phase                                       RCBO: Residual current operated circuit breaker with integral overcurrent protection
        Neutral                                     RCCB: Residual current circuit breaker
        Earth

                  6 mm2
                                                                                                                                           Fast water-heater

                  2,5 mm2

                                                                                                     Socket outlets

                  2,5 mm2

                  2,5 mm2

                                                                                                                                                               BRAZIL STANDARD
                                                                                                                                           Dish-washer

                  1,5 mm2
                                                                                                                                           Lamp
                                                                                                     Switches

                  1,5 mm2
                                                                                                                                           Fluorescent
                                                                                                                                           lamp

                  6 mm2
                                                                                                                      Socket outlets       Cooker

                  2,5 mm2
                                                                                                                      Socket outlets       Micro-wave

                                              MCB                      MCB
36   IEC I BRAZIL STANDARD

     Overview of the installation
     and related wiring
     accessories standard

     t SUPPLY                               t  CONSUMERS DISTRIBUTION               box (e.g. cooker, dishwasher,
     Usually single phase (127 V-60 Hz)     BOARD                                   washing machine, water-heater,
     and two phase (220 V-60 Hz) loads.     It contains distribution of power       air-conditioning, etc). Individual
     Phases and neutral are supplied.       to subcircuits and circuit protection   circuits must be used for lighting
     Earth is usually local.                (overload and short circuit].           points and socket outlets points.
     A circuit-breaker should               Additionally it may contain other
     be installed on the phases. Fuses      functions:
     are still common in old residences.    - Residual current protection           t  SOCKET OUTLETS
                                              of sub-circuits                       Are supplied on radial circuits
                                            - Time switches or time                 provided with earth (maximum
     t METER                                  delay relays                          of 8 socket outlets per circuit
     As single kWh meter is supplied.       - Bell transformer                      in 220 V and 5 socket outlets
     The most common domestic type          - Power relays (heating, etc)           in 127 V). It is recommended
     of electricity meter is the electro-   - Latching relays for lighting          all circuits of socket outlets
     mechanical induction watt-hour         - Indicator lamps                       are protected by 30m A Residual
     meter sealed in a special housing      - Daylight/dusk switches                Current Devices. Socket outlets
     to prevent tampering.                  - Dimmers                               are of the earthed type (2P+E)
                                            - Land-shedding relays                  up to 20 A and should comply with
     t MAIN CIRCUIT-BREAKER
                                            - Off-peak power relays                 the ABNT NBR 14136 (Brazilian
                                            - Buzzer or bell                        dimensional standard). Shutters
     This unit has 3 functions:
                                            - Home automation.                      are not mandatory. There are two
     - Acts as main isolator
                                            The unit is usually site-assembled      versions of socket outlets:
       for the installation
                                            and “soft” wired (no busbars).          10 A and 20 A. A 10 A socket
     - Limits consumption of current
                                                                                    outlet should not allow the insert
       to a pre-set level determined
                                                                                    of a 20 A plug,
        by contract with electricity        t  CIRCUIT PROTECTION
       supply organisation
                                            Each circuit must have a suitable
     - Provides “blanker” residual                                                  t
                                            protection device on its source.           PLUGS
       current protection at 300 mA.
                                            This device shall insure                Plugs can be 2P or 2P+E type up
                                            the breaking of phases conductors       to 20 A and should comply with
     t COMPULSORY PROTECTION
                                            in one operation. Rewireable fuses      the ABNT NBR 14136 (Brazilian
                                            are not required by Brazilian           dimensional standard). Sleeved
     AGAINST LIGHTNING
                                            electrical installation of building     pins are not mandatory.
     Installation supplied by overhead
                                            standard, the NBR 5410.                 There are two versions of plugs:
     electric line and located in areas
                                                                                    - For equipment with rated current
     where thunder is heard more than
                                                                                      up to 10 A
     25 days per year must be protected     t  POWER CIRCUITS                       - For equipment with rated current
     by a Surge Protective Device
                                            All appliances having a relatively        above 10 A up to 20 A.
     immediately placed after the main
                                            high consumption of current should
     residual current circuit breaker
                                            be supplied on a specific circuit
     (300 mA and recommended Type S).                                               t LIGHTING POINTS
                                            with appropriate protection
     The Surge Protective Device must
                                            and cabling. They will be connected     Lighting points are supplied radial
     be connected to the earth terminal
                                            either via a special plug               circuits provided with earth (max
     block of the distribution board.
                                            and socket-outlet or via cable outlet   8 points per lighting circuit) and
I N S TA L L AT I O N R U L E S                                                                                                                                     37
    All electrical installations should comply
    with Brazilian standard ABNT NBR 5410.
    This document lays down detailed rules
    governing all aspects of wiring and designing
    on installation.

controlled by switches or dimmers.                  t  OUTDOORS
Note: multiple-point control of                     The use of 30 mA RCD protection
lighting is usually achieved using                  is recommended. Outdoor socket
latching relays and push-buttons.                   outlets should be at least IP 44.
The use of time switches to control
lights in public areas is commonly
used.                                               t BATHROOMS
                                                    Special rules apply to bathrooms
                                                    which are divided into 4 zones.
t  EARTHING
All circuits distribute a protective
conductor. All services should be
bonded to earth. Supplementary
bonding of metal fittings in bathrooms,
                                                                                  IP x3                                                IP x1
kitchens, etc., is also necessary.

                                                                                                                                                                        BRAZIL STANDARD
t CABLING

Most domestic wiring is run either                                           Zone1          Zone 2                        Zone 3
in plastic surface trunking or in
                                                            2,25 m

                                                                             IP x4
                                                                                                                                                             3m
flushed in conduit systems. Some
                                                                                                                                                    2,25 m

rules govern the choice of the type                                                        0,60 m
of conduit to be used.
Generally solid copper conductors                                                                                        2,40 m

(usually PVC insulated) are used for                                         Zone 0
fixed wiring. Attention must be paid                                         IP x7
to the various rules governing cable
section, voltage drop, etc.
For plastic surface trunking,
protection against external influen-                 DEFINITION OF ZONE CONTAINING BATH OR SHOWER
ces must be ensured continuously
                                                     Zones                        0         1           2                                      3
throughout the length of conduit
runs, especially at angles and                       Wiring systems              X(2)     II(1)       II(1)                                    II
entries into wiring devices.                                                                                      - Supplied individually by an isolating transformer
                                                     Switchgear                                                   - Supplied by Safety Extra Lox Voltage (SELV)(4)
                                                                                  X       X(2)        X(2)
                                                     and controlgear
                                                                                                                  - Protected by a 30 mA RCD
t ELECTRICAL
                                                                                                     II + 30      - Supplied individually by an isolating transformer
                                                                                          X(2)                    - Supplied by SELV(5)
ACCESSORY INSTALLATION                               Appliances                  X(2)      (3)      mA RCD
                                                                                                     (2)(3)(5)    - Protected by a 30 mA RCD
Switches, sockets, etc., should be
installed in a flush or surface box                     X: prohibited
or in a purpose made equipment                          II: Permitted for Class II
                                                        RCD 30 mA: Protection by 30 mA residual current devices
trunking. Accessories may be                            (1) Limited to choose which are necessary to supply appliances located in this zone
either screw-fitted or provided                         (2) Except those supplied by SELV, limited to 12 V ac or 30 V dc
                                                        (3) Water heating permitted
with expanding claws which grip                         (4) No voltage limit (a50 V)
the walls of a circular flush box                       (5) Except a socket outlet supplied a low power isolating transformer
38   IEC I BRAZIL STANDARD

     Consumer units and Din-Rail
     equipment by Legrand Group
     Legrand load centers, circuit breakers, time switches, residual current and surge protection devices
     are designed to satisfy individual requirements as far as design, integration, energy saving and protection
     of people and property are concerned.
     Unic, Lexic and Ekinoxe systems comply with Brazilian Standards ABNT NBR and International Standards IEC
     offering the flexibility to install both protection: Bolt-on type and Din-Rail type.

      Consumer units

                 EKINOXE TX                            EKINOXE TX                                    EKINOXE TX
                 2 rows of 12 modules                  3 rows of 12 modules                          4 rows of 12 modules

                 UNIC                                                         UNIC
                 1 row of 8 modules                                           2 rows of 12 modules
39

                                                                                           Power protection
                                                                                           See page 56 to 57

Lexic Din-Rail equipment

      MCB - DX-H 10000            MCB - DX 6000   MCB - DX 6000        MCB - DX 6000      RCD - DX

                                                                                                               BRAZIL STANDARD
Unic Din-Rail equipment

     UNIC- MCB             UNIC- MCB              UNIC - DPS      UNIC - RCD           UNIC - RCD
40   IEC I BRAZIL STANDARD

     Wiring accessories
     by Legrand Group
     Legrand, the leading supplier of electrical wiring accessories in Brazil for 30 years,
     offers a comprehensive range for every market segment. Driven by the ongoing pursuit of excellence, the Legrand Group
     delivers solutions that provide customers with ever greater comfort, safety, connectivity and energy efficiency.
     The Axolute and Living&Light ranges from Bticino for the luxury segment.
     The Pialplus and Vela from Legrand for the standard and premium segments.

      Axolute by Bticino

           WHITE LIMOGES                     RED CHINA               BRUSHED BRONZE               BLACK GLASS
           Switch                            Switch                  Switch                       Switch

           LIQUID WHITE                      MATT GOLD               CHERRY WOOD                  SHINY INOX ALESSI STEEL
           Switch                            Switch                  Switch                       Switch

      Living, Light, Light Tech by Bticino

           LIVING - CHERRY WOOD              LIVING - SOLID RED      LIGHT - SATIN COPPER         LIGHT TECH - BRIGHT CHROME
           Switch                            Switch                  Switch                       Switch
41

                                                                                                              Home automation
                                                                                                              See page 64 to 67

Vela by Legrand

    SATIN WHITE         METALLIZED PEARL          METALLIZED TITANIUM            METALLIZED SILVER       ANTHRACITE
    Switch and socket   Switch                    Switch                         Switch                  Switch

                                                                                                                                  BRAZIL STANDARD
PialPlus by Legrand

    GLOSS WHITE             GLOSS WHITE                                 SATIN WHITE                  SATIN WHITE
    Switch                  3 + 3 module switch                         Switch                       Switch and socket
42

                                                     CONSUMER UNIT

                                                            300/500 mA | 63 A

                                                                           RCBO

     IEC | Chinese                                                         MCB
                                                                                16 A

     standard
     Typical residential wiring diagram
     issued from GB 50054 requirements                                          30 mA | 16 A
     for electrical installations.                                         RCBO

     | Wiring accessories by Legrand Group   44-45

                                                                                16 A
                                                                           MCB

                                                                                16 A
                                                                           MCB

                                                                                30 mA | 16 A
                                                                           RCBO

                                                                                30 mA | 16 A
                                                                           RCBO

                                                                                30 mA | 16 A
                                                                           RCBO

                                                                                16 A
                                                                           MCB
          For more details on countries
          See maps page 02 to 05
43

COLOUR CODE OF SOLID STRANDED FLEXIBLE CONDUCTORS          CB: Circuit breaker
        Phase                                              MCB: Miniature circuit breaker
        Neutral                                            RCBO: Residual current operated circuit breaker
        Earth                                              with integral overcurrent protection

                                                                                                                  OPTIONAL

                                                                                                                   Cabinet style air
                                                                                                                   conditioner

                                                                                                                   Air conditioner

                                                                                                                   Air conditioner

                                                                                                                                       CHINESE STANDARD
                                                                                                                   Kitchen

                                                                                                                   Toilet

                                                    Socket outlets                               Socket outlets    Socket outlets

                                                                                                                   Compact
                            Switch                                                                                 fluorescent lamp
44   IEC I CHINESE STANDARD

     Wiring accessories
     by Legrand Group
     In China, Legrand stand-out offering comes in a wide spectrum of combinations and colours, including market-leading
     white. With its modular mechanisms as well as flexible installation options, the functional possibilities are endless.

      Arteor by legrand

           TATOO - EDITION 1             GRAPHIC - FORMAL              BRUSHED METAL - STAINLESS STEEL   WOOD - WENGE STYLE
           Switch                        Switch                        Switch                            Switch

           MIRROR BLACK                     MIRROR WHITE                     GALUCHAT                          SIGNATURE
           Micropush switch                 Shutter control                  Sensitive switch                  Universal dimmer

      Major by legrand

           DARK SILVER - PEARL              SILVER - BLACK                  SILVER - BRONZE                     PEARL - COPPER
           Switch                           Switch                          Switch                              Switch
45

                                                                              Home automation
                                                                              See page 64 to 67

A6 by TCL/Legrand

    WHITE                  WHITE                WHITE                WHITE
    Switch                 Switch               Socket               Computer-TV socket

A8 by TCL/Legrand

    SILVER                 BROWN                ROSE - GOLD          EGGPLANT                     CHINESE STANDARD
    Switch                 Switch               Socket               Computer socket

Living, Light by Bticino

     LIVING - NATIVE       LIVING - SOLID RED   LIGHT - SATIN GOLD   LIGHT - SATIN TITANIUM
     Switch                Switch               Switch               Switch
46

     Other IEC based
     Installation rules

     t AUSTRALIA                                 t SOUTH AFRICA                                       t INDIA
     Installation reference code:                Installation reference code:                         Installation reference code:
     AS/NZS 3000, Electrical installation        SABS 0142-1: 2001.                                   Specifications for electrical
     as edited in The Australia                  The wiring of premises.                              works (internal), published
     and New Zealand Wiring Rules 2007.          Part 1: Low-voltage installations.                   by S&QCD, 2001.
     Standards organization:                     Standards organization:                              Standards organization:
     Standards Australia International           South African Bureau                                 Bureau of Indian
     Ltd (SAI)                                   of Standards (SABS)                                  Standards (BIS)
     286 Sussex Street AU-Sydney,                1 Dr Lategan Rd, Groenkloof                          Manak Bhavan
     NSW 2000 GPO Box 5420                       Private Bag X191                                     9 Bahadur Shah Zafar Marg
     Sydney NSW 2001                             ZA-Pretoria 0001                                     IN-New Delhi 110002
     Tel: + 61 2 82 06 60 00                     Tel: + 27 12 428 79 11                               Tel: + 91 11 23 23 79 91
     Fax: + 61 2 82 06 60 01                     Fax: + 27 12 344 15 68                               Fax: + 91 11 23 23 93 99
     Email: intsect@standards.org.au             Email: info@sabs.co.za                               Email: hisird@vsnl.net
     Web: www.standards.com.au                   Web: www.sabs.co.za                                  Web: www.bis.org.in

        AUSTRALIA                                   BRITISH STANDARD                                     BRITISH STANDARD
      Plug diagram + Plug type                    Plug diagram + Plug type                             Plug diagram + Plug type

                                                                                          20.5 min
                                                                             7.06 dia
                                         30°                                                                         22.1
                                                     22.1

                                         10.31
                6.35
                typ

                       7.92                                                  5.06 dia                                             19.0
                              1.63 typ
                                                               19.0

                                                                                           15.8 min

                                 19.94
                                                                                                                                  20.5 min
                                 17.06
                                                                                                                   7.06 dia

                                                                                           15.9
                                                                             Insulating
                                                                             collar
                 Earth pin                                                                                         5.06 dia
                                                             16.7            16.7
                                                                                                                                    15.8 min

                                                                              5.11 max

                                                                                            8.0 min
                                                                                            9.0 max
47

t SAUDI ARABIA

Installation reference code:
National Saudi Code
(under preparation).
Standards organization:
Saudi Arabian Standards
Organization (SASO)
Imam Saud Bin Abdul-Aziz
Bin Mohammed Road
(West End)
PO Box 3437 Riyadh 11471
Tel: + 966 1 452 00 00            PLUG DIAGRAM + Plug type
                                    Australia
Fax: + 966 1 452 00 86              British Standard
Email: saso@saso.org.sa             European Plug
Web: www.saso.org.sa                German

   BRITISH STANDARD                               EUROPEAN PLUG                            GERMAN
 Plug diagram + Plug type                       Plug diagram + Plug type                 Plug diagram + Plug type

          3.90 min
          4.05 max

 22.10 min
 22.36 max                                                          17.0 to 18.0
                                                                    at pin ends

        5.22 min
                                                                18.0 to 19.2
        5.48 max
                                                                at plug face               36.5 dia nom        4.8 dia
                   11.05 min
                   11.18 max

     7.80 min      22.23 min
                                                             19.0         15.3.5                             Location
                                                                                                                          OTHER IEC

     8.05 max      22.33 max                                                               19.0
                                                                          dia max                            ridge
                                                 7.4.0
                                                                            Insulating
                                                                            collar
                                              17.0
                                              to 18.0
                                              at pin
     3.90 min                                 ends
     8.05 max

           9.2 max                                 18.0                                  4.8 dia          Earth contact
           insulated                               to 19.2
           collar                                  at plug
                                                   face
                                                              10.0
                     17.20 min/
                     18.20 max
48

                                                           CONSUMER UNIT

                                                              METER         200 A

                                                                      MCB

     NEC | American                                                                 CB
                                                                                         50 A

     standard                                                                       CB
                                                                                         30 A

     Typical residential wiring diagram issued
     from NEC (2008) requirements for electrical
     installations.
                                                                                         30 A
     | Consumer units and Plug-in type equipment                                    CB

     by Legrand Group                           52-53
     || Wiring accessories by Legrand Group        54-55

                                                                                         20 A
                                                                                    CB

                                                                                         20 A
                                                                                    CB

                                                                                         15 A
                                                                                    CB

                                                                                         15 A
                                                                                    CB

                                                                                         20 A
                                                                                    CB
          For more details on countries
          See maps page 02 to 05
49

COLOUR CODE OF SOLID STRANDED FLEXIBLE CONDUCTORS
        Live or hot                                         CB: Circuit breaker
        Neutral                                             MCB: Main circuit breaker
        Earth                                               GFCI: Ground fault circuit interruptor

POWER CIRCUITS

                                      Socket outlets (NEMA 14-50)                                               Cooker (range)

                                      Socket outlets (NEMA 14-30)                                               Electric dryer

                                                                                                                Electric water-
                                      Switch                                                                    heater

APPLIANCE CIRCUITS / BEDROOMS

                      GFCI                        Socket outlets

                      GFCI

GENERAL PURPOSE CIRCUITS

         Switch          Lampholder                                                       Lampholder   Dimmer
                                                                                                                                  AMERICAN STANDARD

BATHROOM

                                                  GFCI
50   NEC I AMERICAN STANDARD

     Overview of the installation
     and related wiring
     accessories standard

     t SUPPLY                                     t  GENERAL PURPOSE CIRCUITS
     Domestic supply is usually                   These are 120 V-15 A and supply
                                                                                                                            G
     2 phases (120 V/240 V - 60 Hz).              socket outlets (IP+N+G).These
     2 phases + neutral are supplied.             circuits supply bedrooms, etc.
     Neutral is re-earthed at entry.              where the use of a large number
                                                                                                                                W         NEMA 5-20 R
     Earth is local.                              of appliances is unlikely. Note that
                                                                                                                                          20 A - 125 V
                                                  all general purpose socket outlets
                                                  must be of the grounding type.
     t METER                                                                                      AMERICAN WIRE GAUGE
     Usually a weatherproof unit                                                                  AWG (approximate equivalence)
     outside the house.                                         G
                                                                                                  20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.52 mm2
                                                                    W                             18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.82 mm2
     t SERVICE PANEL                                                    NEMA 5-15 R               16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 mm2
     Ratings of 60 A, 100 A, 150 A                                      15 A - 120 V
     and 200 A exist. The Service                                                                 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 mm2
     Panel (or Service Entrance Panel)                                                            12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3 mm2
     usually contains a Main Disconnect                                                           10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.3 mm2
     device and the necessary protective          t  APPLIANCE CIRCUITS
                                                                                                   8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.4 mm2
     devices for the sub-circuits.                The 120 V-20 A circuits supply
                                                  areas such as kitchens,                          6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.3 mm2
                                                  dining-rooms. etc., when there is                4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.2 mm2
     t  POWER CIRCUITS                            a likelihood of more intensive use               2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.6 mm2
     Appliances having heavy power                of appliances. The NEC [National
     consumption (ranges, water-heaters,          Electrical Code) requires at least               1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42.4 mm2
     etc.) are supplied on a specific             two appliance circuits for a domes-          1/0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53.5 mm2
     circuit, often 120/240 V. Various            tic installation.Only socket outlets         2/0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67.4 mm2
     socket outlets of appropriate ratings        may be supplied on an appliance
     are available, these are non-                                                             3/0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85.0 mm2
                                                  circuit.
     interchangeable, thus 2 Phase +              All domestic use NEMA 5-15R                  4/0 . . . . . . . . . . . . . . . . . . . . . . . . . . . 107.2 mm2
     Neutral + Earth plug cannot be fitted        and 5-20R receptacles must be
     to a 2 Phase + Earth socket, etc.            tamper resistant.
                                                                                              t PLUGS

                                                                                              Various types of plugs exist
                       G                          G                               G           to match the various configurations
             Y             X             Y            X
                                                                                              of socket outlets.
                   W                          W

                                                                                              t OUTDOORS
                                                                                              Outdoor socket outlets must
            NEMA 14-30 R                NEMA 14-50 R                    NEMA 6-30 R
            30 A - 125/250 V            5O A - 125/250 V                30 A - 250 V          have 6 mA GFCI protection
            Eg : dryer                  Eg: cooker (range)              Eg: air-conditioner   and be housed in a weatherproof
                                                                                              enclosure.
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