Situation: Customer owned 2000kVA XFMR, (7) sets of (4) 500mcm. Neutral is bonded to grounding electrode conductor inside the pad mounted enclosure. Inside the building, at the service entrance point a bare grounding electrode conductor bonding the a main bonding jumper and building steel.
Questions:
* If the system's neutral is bonded with ground at the transformer, is it required to be bonded in the main disconnect panel?
* Should a properly sized grounding conductor have been provided from the transformer to the main disconnect panel?
Questions:
* If the system's neutral is bonded with ground at the transformer, is it required to be bonded in the main disconnect panel?
* Should a properly sized grounding conductor have been provided from the transformer to the main disconnect panel?