Old Wiring Colors Uk

How have wiring colours changed in the uk.

Old wiring colors uk. 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. Some properties across the uk still rely on the old cables which can be dangerous if not tested. In the old iec color code all the lines in three phase supply are either brown or black.

The neutral black has been replaced by blue. The uk earth wires are identified by green and yellow earth wires. 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.

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. The guide below is for uk british electrical wiring if you live in another country the colours may be different. Prior to harmonisation with other european countries the united kingdom s electrical wiring system used. Green yellow earth sometimes bare wire without a sleeve.

What are the new uk plug wiring colours. This was the neutral wire. United kingdom had its own color code until 2004. Old uk red live wire colour was replaced by a brown live wire.

The old colours were. 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. This was the live wire.