a quick check of the good book,,,
as far as the MBJ, check out 250-30 , especially EX # 1.
sizing- 215-2 ( ampacity)
225-6 ( size)
547-8(c) i beleive throws out 250-32(b)(2) if i'm reading it right.
also why 310-17? does 310-20 look any better?
[This message has been edited by sparky (edited 06-07-2001).]