What are the changes to the colours of fixed wiring? The changes to the colour identification of conductors in fixed wiring were introduced, by Amendment No 2 to BS 7671, which was published on 31 March 2004. The changes were effective from that day, however up to 1 April 2006, it is permitted to continue to wire new installations in the present wiring colours to use up existing stocks of cable. | | |
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