3 way switch

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Old 06-26-05, 07:14 PM
big_bogus's Avatar
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3 way switch

I just moved a 3 way switch. During the move I noticed something strange. The poles of the 3 way had a white, red and black connected. The white wasn't remarked black. Should it have been? It is my understanding that a white can carry voltage ONLY if it is remarked. i.e. black tape or black marker. Should I remark the white?

Thanks.
 
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Old 06-26-05, 09:03 PM
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Originally Posted by big_bogus
I just moved a 3 way switch. During the move I noticed something strange. The poles of the 3 way had a white, red and black connected. The white wasn't remarked black. Should it have been? It is my understanding that a white can carry voltage ONLY if it is remarked. i.e. black tape or black marker. Should I remark the white?

Thanks.
The white is most likely being used as one of the travelers and it should be marked black, however it isnt real uncommon to find unmarked white wires that are being used as hot wires. Not a big issue but by code it should be marked. Any electrician would recognize it as a hot wire but home owners may not but then again most home owners dont know this bit of information anyway.
 
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Old 06-27-05, 07:30 AM
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Code does require that white wires used as hot be remarked, but in my experience, 95% of the time it is not. Inspectors seem to let this one slide.
 
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