Electrical Wiring Colors

The neutral wire colour is blue.

Electrical wiring colors. 02112017 Phase 2 - Phase 2 wiring should be orange. Any electronic wiring in a UK home features three colours of wiring which are used for three different functions. 17022015 UK AC power circuit wiring color codes US AC.

13022021 Green is the most common ground wire color but green-yellow green wire with a yellow stripe and bare wire copper wire without colored insulation can also be used. The electrical code has assigned each color a specific meaning. These are the most common colors used in electrical wiring.

However caution should be taken as the wire can run at a very high heat. Ground wires return fault. This cable colour code is nationally-recognised and it specifies that neutral wire should be grey or white in colour with green or a green-and-yellow-striped pattern for the ground wire.

02022019 American electrical contractors and electricians must comply with the National Electrical Code NEC for the color coding of wires. Other color combinations such as striped wires may be used for other applications. White wires augmented with red or black tape or markings are used as hot.

It is highly unlikely that you will have an electric shock on contact with a blue wire. Remember black and red wires are always hot meaning they are source wires that carry power from the electric service panel to a destination such as an outlet or a light. The neutral wire transfers electricity away from the appliance to avoid overloading.

A white wire that has been marked with black means its acting as a hot wire and is no longer neutral. Phase 3 - Phase 3 wiring should be yellow. Neutral - Neutral wires should be grey.