I just want to find out when circuits of over 250 volts to ground DONT need ground busing connectors. I know Article 250.97 gives the following exceptions
(a) Threadless couplings and connectors for cables withmetal sheaths
(b) Two locknuts, on rigid metal conduit or intermediate...
When u use a metal pipe from the meter pan to the first means of disconnect on a 240/120 service, the requirement for using a bonding bushing by the first means of disconnect is that a utility requirement or nec? If its a nec requirement were can i find it? tx