UL Wire Colors

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CEDEng

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When wiring a control panel: If yellow is the wire color for AC conductors that are still energized when the panel is off (i.e., the power is coming from an external source), what is the UL color for DC conductors in the same
situation?

Thanks...
 
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petersonra

Senior Member
Location
Northern illinois
Occupation
engineer
CEDEng said:
When wiring a control panel: If yellow is the wire color for AC conductors that are still energized when the panel is off (i.e., the power is coming from an external source), what is the UL color for DC conductors in the same
situation?

Thanks...
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yellow, although many UL panel manufacturers actually use blue with a yellow stripe.
 
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