S starsandstripes Member Location SE Michigan Sep 6, 2006 #1 I am running an insulated grounding conductor inside flex in the wall for a 3 phase convection oven. I'm not using any concentric or eccentric ko's. No need for grounding bushings, correct?
I am running an insulated grounding conductor inside flex in the wall for a 3 phase convection oven. I'm not using any concentric or eccentric ko's. No need for grounding bushings, correct?
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician (retired) Sep 6, 2006 #2 Nope, and with a few exceptions there aren't many installations that require bonding bushings.