Voltages

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hot

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Will someone tell me can you mix 120v
and 277v in the same box as long as the
insulation ratings are the same?

Thanks

HOT :eek:
 

tom baker

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Re: Voltages

Thats 300.3(C)(1) also circuits over 250 V to ground require assured grounding, see 250.97. If in 4S boxes get the type that are listed for 277.
 
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