what do the colors, brown, orange, yellow signify

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Question by clem
Submitted on 9/26/2003
Related FAQ: Electrical Wiring FAQ (Part 1 of 2)
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what do the colors, brown, orange, yellow signify

Answer by r3
Submitted on 10/16/2003
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480v b=boy o=orange y=yellow

Answer by Mansour
Submitted on 11/10/2003
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The colors Brown, Orange, Yellow (BOY) indicates the color coding for 480/277 volts (AC)lines.

Answer by highwood
Submitted on 6/21/2004
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brown, orange, yellow, gray, the upper voltages. brown = A phase, orange is B phase and yellow is C phase, it depends on what transformer you are using, a Y, or a deta. Grey is use for the neutral. voltages, can be from 220v. , 277v, or the upper range, 4160 . Never assume about anything electrical. Never take any ones word for it, that the circuit is off, you should always, check for yourself, before working on the units. or you can be shock or killed.

Answer by jnjg
Submitted on 3/17/2006
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orange

Answer by Stephanie
Submitted on 11/13/2006
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Halloween!!!

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