wireman3736

Posted this on another site, 27 views and no responses. Any body here see any violations using a 12X12 wireway for the below project?

I would like to use a 12" X 12" wire way 12' long over 7 PVC conduits coming out of the ground in a building. Do I have to apply 314.28(A) (2) for angle pulls, there are 3-2.5" and 4-2" conduits, the 2.5" have 2-4/0 and 1-2/0 conductors each, the 2" has 2-1/0 and 1-#2 conductors each. at the opposite end I will be installing an 800 amp main panel on top of the wire way with nipples to the main panel. the wires were installed by another electrician and are short to reach the intended panel, I will be splicing the aluminum conductors in the wire way and continuing on to the main panel for termination. If I had to follow the requirements in 314.28 (A) (2) I would need a box 28" high, Reading 376.23 A & B I think as long as I meet the requirements for deflected conductors in 312.6(A) and since I'm using it as a splice box instead of a pull box I should be ok. any thoughts? Stan
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JohnJ0906

It doesn't seem there are any straight pulls, so 314.28 (A)(1) shouldn't apply. It does seem that you still need a 28" high wireway, although 28" deep isn't nessary. Watch 110.26 (A)(3). (Don't extend wireway more then 6" in front of equipment.

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John from Baltimore
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All responses based on the '08 NEC
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Pierre Belarge

Your point is very interesting. As far as splicing the conductors, does that mean that they are not "pulled through"?

I have to think on this...I will ask around and see what the consensus to this may be.

wireman3736

I got the 28" by 2.5" X 6 plus the the sum of the other conduits coming in on the same wall, I see 12" wire ways under and over panels all the time but question the legality before I actually do it myself.

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