L Lancito Member May 19, 2009 #1 I was recently on a job where per drawing both 120v and 277v conductors were installed in the same conduit. Is legal per art. 300.3 (C) (1) of NEC or not?
I was recently on a job where per drawing both 120v and 277v conductors were installed in the same conduit. Is legal per art. 300.3 (C) (1) of NEC or not?
480sparky Senior Member Location Iowegia May 19, 2009 #2 As long as both are rated for the higher voltage, you're OK. Most building wire is rated 600v anyway, so you're covered.
As long as both are rated for the higher voltage, you're OK. Most building wire is rated 600v anyway, so you're covered.
