Residential Electrical Wire Colors. The mandatory colors for power wiring in national electric codes nec are green bare or green yellow yellow strip or band on green for protective ground pg and white alternatively grey for neutral wire. Red electrical wires are the secondary live wires in 220 volt circuits and are commonly found in. Yellow and blue wires are sometimes used in more complicated circuits.
The usa follows a standard home electrical wiring color code that identifies every wire in an electrical circuit. According to nec a black or red wire must be used as an ungrounded conductor or hot wire. If you need to understand what the wire colors are for electrical wiring what color the live or hot wire is or what color is the ground wire in your electrical system you will find the answers here. Electrical wiring is a general term that refers to the system of devices responsible for conducting electricity.
Non metallic or nm 120 volt and 240 volt electrical cable come in two main.
Electrical wire colors for most typical home electrical wiring the chart below includes uk electrical wire eu electrical wire australia electrical wire new zealand electrical wire south africa electrical wire canada electrical wire and united states electrical wire. Wire colors for dc power when wiring for dc power there are typically going to be either two or three wires. Electrical wiring is a general term that refers to the system of devices responsible for conducting electricity. Non metallic or nm 120 volt and 240 volt electrical cable come in two main. There are various types of electrical wiring that are used.