Page 5 - Pocket Guides
P. 5

PG 3


    FIXED WIRING SINGLE-PHASE
    CABLE COLOUR CHANGES



                        New





        Old                             Old


                 CAUTION
               This installation has wiring colours
                to two versions of BS 7671.
                Great care should be taken before
               undertaking extension, alteration or repair
               that all conductors are correctly identified.




                Old                 New










                        E                      E
                  L           N            L      N













          A warning label is required






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