Rather than "muddying" this thread: http://forums.mikeholt.com/showthread.php?t=120996,
I brought my question here.
When you have a SDS with your system bonding and grounding electrode conductors terminated at the transformer and an equipment ground and neutral routed to your first disconnect, is there a minimum size for the grounded conductor (other than load associated) ?
250.30(A)(8) addressed the situation where the MBJ is not at the transformer.
250.24 (C) addresses minimum size grounded at services, but there we don't have the grounding conductor.
215.2 addresses minimum neutrals for feeders, but this isn't a feeder and the referenced 250.122 wouldn't be applicable either.
So, is there a minimum ?
I brought my question here.
When you have a SDS with your system bonding and grounding electrode conductors terminated at the transformer and an equipment ground and neutral routed to your first disconnect, is there a minimum size for the grounded conductor (other than load associated) ?
250.30(A)(8) addressed the situation where the MBJ is not at the transformer.
250.24 (C) addresses minimum size grounded at services, but there we don't have the grounding conductor.
215.2 addresses minimum neutrals for feeders, but this isn't a feeder and the referenced 250.122 wouldn't be applicable either.
So, is there a minimum ?