Code of Practice for the Electricity (Wiring) Regulations - 2009 Edition

Function
Table 13(2)
Identification of Non-flexible Cables and
Bare Conductors for Fixed Wiring
Phase of single phase circuit Red (or Yellow or
White or Blue)
Colour
Old Colour New Colour Coding
Brown L
Phase 1 of 3-phase circuit Red Brown L1
Phase 2 of 3-phase circuit Yellow (or White) Black L2
Phase 3 of 3-phase circuit Blue Grey L3
Neutral Black Blue N
Protective conductor Green-and-yellow Green-and-yellow —
(Note: The new colour code may be used for those electrical installation works commencing onsite
on or after 1 July 2007. For installation works commencing on-site from 1 July 2007
to 30 June 2009 (i.e. the 2-year grace period), either the new or the old colour code, but
not both, can be used. For installation works commencing on-site on or after
1 July 2009, only the new colour code should be used.)
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