3 Phase Wire Colour Codes Australia. Australian engineers use red white and blue for their live wire colours. However it is also permissible in australia to use european colours in some circumstances according to as 3000. The mandatory colors for power wiring in national electric codes nec are green bare or green yellow yellow strip or band on green for protective ground pg and white alternatively grey for neutral wire.
Even there are different colour codes for ac and dc wires. Us ac the us national electrical code only mandates white or grey for the neutral power conductor and bare copper green or green with yellow stripe for the protective ground in principle any other colors except these may be used for the power conductors. Brown orange and. Black red and blue are used for 208 vac three phase.
Any other colors expected the above mentioned can be used for live line or hot wires.
Phase 1 red phase 2 white phase 3 dark blue neutral black earth green. Any other colors expected the above mentioned can be used for live line or hot wires. Australia have their own electrical cable colour standards as set by as 3000. The mandatory colors for power wiring in national electric codes nec are green bare or green yellow yellow strip or band on green for protective ground pg and white alternatively grey for neutral wire. Old australian colour code single phase.