tholloway
New member
- Location
- Dallas , Texas , U.S.A
New to forum..main service enters building..sub panels and xfmrs on other floors..in electric rooms there will be a ground bar..tied to ground ring..bldg. steel..other ground bars...my question is ..can I ground my xfmrs to the ground bar or do I have to supplement it somehow..I.e. the ground bar and bldg. steel?