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Help running MC to panel

wes557

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Feb 7, 2018
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MD
Been lurking here for awhile but need some help with my electric.

Finishing up a multiwire circuit in my garage need to figure out the last 10 ft. or so. I'm running 12/3 MC lite.

Here's where I have it coming out from above the garage door. The invisible fence is gone and has been replaced with a double receptacle which is where my MC currently ends.


This is what I was thinking:


Down from the double recpt.
Over to the stud before the finished wall.
Then up through the top plate.
Come out of the wall with an ell.
PVC to the panel.

Is there a better way to do this?
 
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wes557

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Feb 7, 2018
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I will be finishing the walls with drywall and need a way to bring the mc out of the wall. I don't want to tear down the existing drywall so was trying to figure out a way to surface mount the mc. PVC seemed to be the easiest method.

In hindsight I guess I would need a box to go from mc to thhn to run in the pvc. I wasn't intending to run the mc through pvc.

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pattenp

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Why are you using a MWBC? How are you providing GFCI protection to any outlets since there is a shared neutral?
 

wyliesdiesels

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Aug 14, 2012
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Modesto, CA
I will be finishing the walls with drywall and need a way to bring the mc out of the wall. I don't want to tear down the existing drywall so was trying to figure out a way to surface mount the mc. PVC seemed to be the easiest method.

In hindsight I guess I would need a box to go from mc to thhn to run in the pvc. I wasn't intending to run the mc through pvc.

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Drywall is easy to repair and no need to tear down the whole sheet just to run some MC in the wall.

Cut out a small strip of sheetrock run the MC then screw the sheetrock back up.
 
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wes557

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Feb 7, 2018
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Drywall is easy to repair and no need to tear down the whole sheet just to run some MC in the wall.

Cut out a small strip of sheetrock run the MC then screw the sheetrock back up.
I would still need to bring the mc from behind the drywall to the surface. Panel is surface mounted.
Why are you using a MWBC? How are you providing GFCI protection to any outlets since there is a shared neutral?
I originally bought 2 20amp gfci single pole and handle ties but realized it wouldn't work for this situation after doing some research. So will exchange for a 2 pole gfci Specifically QO220GFICP. Does this not work for MWBC?

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wes557

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Feb 7, 2018
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MD
So what's the best method for bringing the MC out from behind the wall?

Would an MC elbow in the back of 4x4 that is surface mounted work?
 

Bert_

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Dec 24, 2016
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NW Iowa
I'd run it inside the wall. Then drill a hole in the plywood 6" above the panel, run MC though hole then into panel. Simple and still looks nice :dunno:
 

Radix2

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Wes... it looks like you are making yourself a bunch of work and compromising your final product.....for the sake of some clapped out water stained old drywall (that you are going to be working on in the rest of the place anyway ).

Tear it off, perhaps recess your panel, put in normal wall boxes, run your wire through the wall and you will be ahead when you get to finishing your walls.

Sorry for not answering the specific question, but sometimes we need a poke to do what we already know we should do... if not, feel free to ignore, and good luck with the project!
 
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wes557

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Feb 7, 2018
Messages
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Location
MD
Wes... it looks like you are making yourself a bunch of work and compromising your final product.....for the sake of some clapped out water stained old drywall (that you are going to be working on in the rest of the place anyway ).

Tear it off, perhaps recess your panel, put in normal wall boxes, run your wire through the wall and you will be ahead when you get to finishing your walls.

Sorry for not answering the specific question, but sometimes we need a poke to do what we already know we should do... if not, feel free to ignore, and good luck with the project!

Yeah I am for sure making extra work. I'm really good at that. All of my boxes are standard 4x4 with 1/2 mud rings this is the only wall where things get weird.

I originally was going to install a flush mount panel but I opted for surface mount for ease of adding circuits in the future. I just didn't think about how I would go from outside a finished wall to inside it and still have it look decent. As for going through the wall there's already a bunch of electrical in it and it would still leave me with the issue of getting the wire from in the wall into the panel. I assumed the transition was somewhat common but it doesn't seem to be the case.

Thanks for the suggestion. I'm going to pause and rethink some things.

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Radix2

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One thing you can do with a recessed panel is to screw a piece of plywood (or drywall)over the joist space above it, then if you want to add circuits, remove it and you have a nice chase to the attic.

Looks like you have rafters, so the easiest way from point to point is over the top.
 
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