Old Wiring Colors Uk

Black red and green with yellow stripes.

Old wiring colors uk. What are the new uk plug wiring colours. Old uk wire colours changes since 1977 the old wiring colours used in the uk in domestic electrical situations and in domestic appliance plugs used to be three colours. Prior to 2006 different colours of cables were used in uk domestic electrical wiring and appliances for the neutral and live wires. The old uk black neutral wire colour was replaced by a blue neutral wire.

What were the old uk electrical wiring colours. The uk earth wires are identified by green and yellow earth wires. The old colours were. United kingdom had its own color code until 2004.

Green yellow earth sometimes bare wire without a sleeve. Old uk red live wire colour was replaced by a brown live wire. Prior to harmonisation with other european countries the united kingdom s electrical wiring system used. Old cable colours could be due to the age of the property or the wiring system which simply hasn t been monitored or tested as regularly.

Although still used today the earth wire used to be pure green prior to 1977. In the old iec color code all the lines in three phase supply are either brown or black. This was the live wire. Some properties across the uk still rely on the old cables which can be dangerous if not tested.

But from march 2004 the uk started following the iec color code. Most of the european countries follow the international electro technical commission s electrical wiring color code. How have wiring colours changed in the uk.