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United States Standard Electrical Installation Cable Colors and Sizes

Multymeter.com-Electrical Engineering : The colour standards for electrical installation cables in the United States are regulated by the National Electrical Code (NEC). NEC defines wire colours for each function as follows: • Phase wire (hot wire): red, black or blue.• Neutral wire (neutral wire): white or grey.• Ground wire (earth wire): green or green-yellow.This wire […]

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