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    kevinlanesmith's Avatar
    kevinlanesmith Posts: 2, Reputation: 1
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    #1

    Sep 14, 2006, 07:00 PM
    277v wiring
    When wiring lighting or other devices on a 277v system, what colors go to what phase, in what order? I know the colors, but was asked on a test for employment this question, and I can't figure it out on a 3 phase system.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Sep 15, 2006, 02:19 AM
    Brown, Orange, Yellow, for the three hot phases in that order, and Gray for the Neutral
    kevinlanesmith's Avatar
    kevinlanesmith Posts: 2, Reputation: 1
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    #3

    Sep 15, 2006, 08:16 AM
    Ok thanks

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