Wire Colour Code Uk. This was the live wire. Black neutral red live green and yellow earth it s also worth noting that the earth wire was green prior to 1977. Any other colors expected the above mentioned can be used for live line or hot wires.
European iec wire color codes for dc supply are as follows. Wiring colour codes the colour codes used in the past were originally determined by the british standard regulations bs 7671 but these standards were set down before complex automated systems were even thought of and they largely related to domestic circuits and static installations. Installation wiring also known as building wiring is for things such as the wiring behind power points and walls. Positive ve brown.
The old colours of uk wiring were as follows.
Prior to 2006 different colours of cables were used in uk domestic electrical wiring and appliances for the neutral and live wires. You can find out more about bs 7671 and the current uk electrical wiring standards in our comprehensive guide to electrical wiring regulations. Prior to 2006 different colours of cables were used in uk domestic electrical wiring and appliances for the neutral and live wires. 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. Black red and green with yellow stripes.