Q. Can a junction box contain both 277V and 120V conductors?
A. Yes, providing all conductors have an insulation voltage rating not less than the maximum circuit voltage (277V) [300.3(C)].
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Q. Can a junction box contain both 277V and 120V conductors?
A. Yes, providing all conductors have an insulation voltage rating not less than the maximum circuit voltage (277V) [300.3(C)].