i have metal boxes in my house from 1971 with 14-2 AC. i have added 14-2 romex to the switches and everything is grounded. can i use MC to add a feed to a new metal box that i had to install for a switch or should i just go buy AC? thanks
ok so ac and mc are pretty much the same except mc actually has a grounding wire in it instead of the bare wire that you wrap around or clamp to the armor?
i probably only would use ac or mc with metal boxes because that seems like a better idea with metal on metal. ac or mc with plastic boxes doesnt make any sense to me in a good grounding stand point anyway
i could, i just the armor cable with the metal boxes instead of the nm in metal box
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