J joeclark Member Feb 23, 2005 #1 I am trying to find out if you have to use specific color wiring when running the primary wire on 277 volt transformers. on 120 we use black/white/green. is it different for 277 or can we use the black/white/and green?
I am trying to find out if you have to use specific color wiring when running the primary wire on 277 volt transformers. on 120 we use black/white/green. is it different for 277 or can we use the black/white/and green?
rbalex Moderator Staff member Location Mission Viejo, CA Occupation Professional Electrical Engineer Feb 23, 2005 #2 Re: electric signs Duplicate
