[Linked Image from electrical-photos.com]

1st off, that red piece looks introduced, so methinks the adequate room ,if not "workmanlike" defintion might gain some legs on that alone

2nd, i'm not finding anything more than 3-500's in table C1

3rd, 500 cu per 310.15(b)(16) is good for 380A

10 lashes for the apprentice i say!

~S~

Last edited by sparky; 08/27/11 07:40 PM.