Assuming it is a listed XFMR, I would want to know how UL answers the violation (in my opinion) of 310.4
IIRC, the NEC has no authority over the
internal design of equipment, but can require the use of listed equipment. So the Code 310.4 wouldn't apply here, right?
I sort of envision it as like a motor control center, being fed with one feeder and splitting off internally through protective devices to individual motor controls.
On second thought, even an MCC would have lugs to land parallel feeders at the same point...hmmmmm
Looking closely at 310.4, it also says: (1999 NEC)
"The paralled conductors in each phase, neutral or grounded circuit conductor shall
(1) Be the same length,
(2) Have the same conductor material,
(3) Be the same size in circular mil area,
(4) Have the same insulation type,
(5) Be terminated in the same manner."
(Bold and italics above are mine.)
So I guess GE considers this setup as complying with the
same manner, notice the Code doesn't specifically say the
same location/lug.Clear as mud!!
edited to add:
And as the other have pointed out, very nice workmanship, Bob!! I wish I had your talent on my last cinema install!! (The EC was very sloppy.)
[This message has been edited by mxslick (edited 09-19-2006).]