Question about Heating & Cooling
Most typical local practices are; (Brown-Orange-Yellow) for 480VAC 3Phase
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
Posted on Dec 03, 2008
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Posted on Jan 02, 2017
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