Building Electrical Wiring Color Codes - InspectAPedia This new type NM-B 14-3 electrical wire has color coded conductors that are easy to spot and understand: Black - use for line voltage or "hot" wire. Red - a second line voltage or "hot" wire. White - neutral. Bare - protective ground. Wiring Color Codes | Color Codes | Electronics Textbook wwwboutcircuits››Vol. V - Reference›Color CodesUK AC power circuit wiring color codes. US, AC:The US National Electrical Code only mandates white (or grey) for the neutral power conductor and bare copper, green, or green with yellow stripe for the protective ground. In principle any other colors except these may be used for the power conductors.
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