What color marking should go on a 3 phase 400a neutral wire...

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Question by keith
Submitted on 5/27/2004
Related FAQ: Electrical Wiring FAQ (Part 1 of 2)
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What color marking should go on a 3 phase 400a neutral wire in order to identify it from the others?

Answer by jafro
Submitted on 8/21/2004
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white. Usually done with white tape or paint

Answer by Paul Drake Jr.
Submitted on 11/16/2004
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blue,red,white all power lines and Black being neutral. in 3 phase power.

Answer by Jeff K.
Submitted on 10/30/2005
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Well you didn't mention the voltage you are using but I assume your using low voltage(120/207) which is white. (delta system) But if it is high voltage such as 277v or 480v it will be grey.

Answer by JJ
Submitted on 10/31/2005
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depends on the voltage 120/208 use white 277/480 use gray

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