Wiring Color Codes
2020-8-17u2002·u2002US, 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. The colors adopted as local practice are shown in Table below.. Black, red, and blue are used for 208 VAC three …
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