Page 7 - Pocket Guides
P. 7

PG 4


    FIXED WIRING SINGLE-PHASE
    CABLE COLOUR CHANGES


    Examples of an extension or alteration to an existing
    three-phase installation.
                       New wiring in harmonized colours
                       (brown, black, grey line conductors,
                       blue neutral and a green-and-yellow
                       circuit protective conductor).


                              L1   L1
                              L2   L2
                              L3   L3
                              N    N


                       Old              New


                              L1   L1          L1
                       Old              New
                              L2   L2          L2
                              L3   L3          L3
                              N    N            N





                        Alternative arrangement. New wiring with
                  three brown line conductors, blue neutral
                  and a green-and-yellow circuit protective
                  conductor. Unambiguous identification is
                  provided by lettering and numbering.





        A warning label is required
              (514.14.1)





 7  3 phase distribution board




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