Old Electric Cable Colours Uk

The live wire colour used to be red.

Old electric cable colours uk. This was the neutral wire. The old colours were. Examples of these are shown here.

The black electrical wire used to be the colour for the neutral wire. These colours are called harmonised colours as they are closely related to those used in mainland europe. Although still used today the earth wire used to be pure green prior to 1977.

Prior to 2006 different colours of cables were used in uk domestic electrical wiring and appliances for the neutral and live wires. If you have the previous colours red black and green earth or bare earth very dangerous we would recommend you have an electrician test to check the integrity of the cable as it could be more than 50 years old and unreliable. To bs 7671 2001 the iee wiring regulations specifying new cable core colours for all new fixed wiring in uk electrical installations.

Very old appliances may have different colours in the flex. Electrical engineers contractors traders manufacturers and especially electricians around the world use different electrical wiring color codes for cable and wire installation and electricity distribution in industrial buildings or residential homes. The guide below is for uk british electrical wiring if you live in another country the colours may be different.

What were the old uk electrical wiring colours. Ac single phase three phase and dc wire cable color codes. Old colours pillar terminals.

Green yellow earth sometimes bare wire without a sleeve. Region earth e neutral n live 1 l1 live 2 l2 live 3 l3 uk traditional. Old uk electrical wiring colours.