Making holes in junction boxes

WillK

see below

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Please do NOT consider any "before" picture of my house as any kind of endorsement of any particular construction method. In fact, you should probably assume that if I post a "before" picture, I am posting it because I am soliciting advice on a proper replacement for one of MANY things done wrong by a previous owner.

WillK

I've been a little pissy ever since the inspection yesterday, particularly with the service mast bracing the inspector is requiring even though going by the attachment point like the code and the POCO says it isn't required. But let me just say that I've been working through rewiring the house among other things since I bought it in August of last year and I've been coming here with questions to help me understand how to do it correctly. I tend to think that in terms of having a sense of what the majority here have to offer, having been here longer than someone that joined this month, my experience is that asking for a code reference is perfectly reasonable.

Back to the subject.

By read on 314.28 is that I need 8x8 because my 3 conductors of 1/0 would require a 1-1/4" conduit, so if my interpretation of the last paragraph of 314.28 (a) 2 is off then that would be information that would be helpful. I need a solution that isn't going to add $100 and if I need a box bigger than 8x8, that's going to add $100. Plus I'd probably need to take time off work to go to an electric supply store.

Another problem could come out of all this, my 1/0 cables might not be long enough with the conduit. I do have some SER and SEU. What if instead of a pull box I used the junction box to splice SER or SEU for the rest of the run, is that possible? I don't remember exactly what I have, I think I have 4/0 SER because I had a 14' piece I had bought for the service mast that I didn't use and I think I might've bought 2/0 or 1/0 SEU for upgrading the subpanel feeder in the house to 100 amps, which I'm not sure I am going to do. (The house subpanel is where the old circuits are I want to gradually replace with new circuits which are all going to be in the new 200A panel.)

__________________
Please do NOT consider any "before" picture of my house as any kind of endorsement of any particular construction method. In fact, you should probably assume that if I post a "before" picture, I am posting it because I am soliciting advice on a proper replacement for one of MANY things done wrong by a previous owner.

DangerMouse

I know THAT feeling well! I see no problem with the way you asked nor the fact you asked at all for code reference. I find it real handy when I can quote code to the inspector when I know he's just giving me a hard time.... and yes, it DOES happen. I had to ask my electrical unspector a simple question.... "how thick is a wall supposed to be?" Kinda stupid, right?

DM

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to see some of my original magic tricks and trick boxes!

sirsparksalot

Not that I'm anybody, but you don't speak for me. His question wasn't inappropriate.