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Colour code for 480v 3ph is it brn - orng- yellow?

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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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