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Old 03-10-2011, 11:29 AM   #1
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code acceptable cable routing


Question for an electrician pls...
I'm remodeling my kitchen and need to run some new circuits.
My panel is in the garage(attached) on the wall OPPOSITE the house.
All the cabling runs currently into the house in a single pathway in the ceiling between the first and second floors.

My 'plan' is to run the new cables across the top of the sheetrock on the
garage ceiling(just as the original wiring is run) but since i can't get it through the same path as the original, I want to

- cut a hole in the sheetrock on the house side of the attached garage wall where it meets the ceiling
- run the cables BEHIND the truss that is right next to the house (about a 2 inch gap there
- run the new cables into that hole in the top of the sheetrock(btw, it's a 10 ft ceiling)
- then down the inside(middle) of that wall, through the floor plate in the basement and then branch out from there.

is this acceptable routing per the NEC? (I looked but couldn't find anything specific enough.

the only place the wiring will be exposed is for about 3 or 4 inches right at the top of the wall where there is already a gap between the wall anc ceiling sheetrock, before it enters my 'planned' hole in the top of the sheetrock for the wall

Thx in advance

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Old 03-10-2011, 01:10 PM   #2
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code acceptable cable routing


I don't see any problems with your plan. NEC will only tell what you can't do or what you must do. They could never list all the things you can do.

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Old 03-10-2011, 02:01 PM   #3
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code acceptable cable routing


It sounds like you want to come out of a hole in the ceiling and go into a hole in the wall bypassing the top plate of the wall. If so, that would not be acceptable. If the cables are continuously in the ceiling wall and exit only into approves boxes, then yes, that sounds fine. If you need to bypass the top plate, you'll need to protect the cables with conduit. As long as the conduit is 24 inches or less, you do not need to derate.
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Old 03-10-2011, 03:06 PM   #4
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code acceptable cable routing


OK,
Conduit? DOes it matter what type? (hard or flexible)
Does it have to be one piece of conduit per cable, or can I put multiple cables in?
I'll only need to cover them about 3 inches.

Thx again
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Old 03-10-2011, 07:16 PM   #5
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code acceptable cable routing


Don't forget, you'll have to repair the wall between the garage & house to maintain it's fire rating.
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Old 03-10-2011, 07:34 PM   #6
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code acceptable cable routing


why don't you remove a drywall patch so that you can drill the top plate and do it right?
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Old 03-10-2011, 07:40 PM   #7
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code acceptable cable routing


I missed the part about running the cable into the sheetrock hole. If you have "a hole in the sheetrock on the house side of the attached garage wall where it meets the ceiling" just drill the top plate and come down through it.

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