Dc Voltage Wire Color Code Uk. Throughout most of europe and in the united kingdom uk the international electrotechnical commission mandates electrical wiring color codes for all functions. 2 wire ungrounded dc supply. Negative ve of negative ve grounded circuit blue.
Throughout most of europe and in the united kingdom uk the international electrotechnical commission mandates electrical wiring color codes for all functions. Negative ve grey. Many satellite and cable tv customers will have a black cable going into the back of the tv the same colour as the old neutral wire. Tv aerial cables do not carry any voltage but many are brown in colour the same colour as the new live wiring in the uk.
For example in canada you can find red black and blue wires for three phase whereas in australia it is yellow blue and black.
In the new color code for electrical wires brown is used for live or line blue is used for neutral conductor and green for earth. Phase 1 phase 1 wiring should be brown. Throughout most of europe and in the united kingdom uk the international electrotechnical commission mandates electrical wiring color codes for all functions. You can find out more about bs 7671 and the current uk electrical wiring standards in our comprehensive guide to electrical wiring regulations. If you re in doubt call a sparky.