H hot New member Dec 17, 2003 #1 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
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
tom baker First Chief Moderator & NEC Expert Staff member Location Bremerton, Washington Occupation Master Electrician Dec 17, 2003 #3 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.
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.
russ Senior Member Location Burbank IL Dec 17, 2003 #4 Re: Voltages Tom, thanks for correcting my typo Russ