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Recent content by ferrous

  1. ferrous

    3 Phase Wire, Color Coding

    Please help settle a question of proper color coding of different 3phase voltages in motor control panels. I have always been taught that 480v 3phase wiring, should be color coded as Brown, Orange, and Yellow. On 230v 3 phase, the color code is Black, Blue, and Red. On systems using a...
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