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Old 02-20-2012, 06:53 PM   #1
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How to conceal 12-2 wire coming from wall?


I recently removed a electric heater in the entry way of my condo. The heater was powered by a 12-2 about three inches from the floor.

There is no gang-box at all, and the wall is shared with the next condo, so I'm not sure what's inside the wall.

I'm basically trying to find a way to conceal the wires so it's not such a eye sore when people come in the house. I would like it to be the most visually attractive as possible.

Also when I switched the breaker off, there were two breakers connected together that controled this heater. Does that mean this had 240 volts going to it?

Also, how hard is it to install a gangbox?



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Old 02-20-2012, 07:15 PM   #2
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How to conceal 12-2 wire coming from wall?


Was that the only thing on the circuit? If so, you can disconnect the wire from the breaker, and then you'd be okay to just push the exposed wire back into the wall and patch over it.

And yes, if it was connected to a double-pole breaker, it was a 240v heater.

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Old 02-20-2012, 07:17 PM   #3
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How to conceal 12-2 wire coming from wall?


You could install an old work bx, replace the breaker and make it a receptacle. You could also install a wire mold box with a blank plate and disconnect breaker.
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Old 02-20-2012, 07:19 PM   #4
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How to conceal 12-2 wire coming from wall?


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You could install an old work bx, replace the breaker and make it a receptacle. You could also install a wire mold box with a blank plate and disconnect breaker.
The old work/remodel box was going to be my other suggestion as well, but since it's a common wall it's probably a fire-rated assembly, and I'm not sure cut-in boxes can be used.
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Old 02-20-2012, 07:29 PM   #5
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How to conceal 12-2 wire coming from wall?


Imstall old work box with a cover plate. And cap the wire mark wire in breaker box and on box cover in case someone wonders what it goes to in the future.
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Old 02-20-2012, 07:29 PM   #6
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How to conceal 12-2 wire coming from wall?


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Was that the only thing on the circuit? If so, you can disconnect the wire from the breaker, and then you'd be okay to just push the exposed wire back into the wall and patch over it.

And yes, if it was connected to a double-pole breaker, it was a 240v heater.
I like this idea. It was the only item on the circuit. How would I disconnect the wire from the breaker? Is this a simple process?
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Old 02-20-2012, 07:33 PM   #7
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How to conceal 12-2 wire coming from wall?


Simple enough; just turn off the breaker, remove the panel cover, and remove both wires from the breaker. Cap them with wire nuts, and tuck them out of the way somewhere. Label them so that in the future people will know where they used to go.

It's safer to turn off the main breaker as well.
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Old 02-20-2012, 07:36 PM   #8
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How to conceal 12-2 wire coming from wall?


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I like this idea. It was the only item on the circuit. How would I disconnect the wire from the breaker? Is this a simple process?
This is what I was going to suggest, too. Just take it off the breaker (mark it if you like, for future reference, or remove it from the panel completely) and then cut off the wire in question (check for voltage just to make sure its dead) and shove it into the wall/floor.

If you feel comfortable doing this, then open up your panel. If you like, you can shut off main power to be completely safe. Then just unscrew the wires from underneath the breaker. You can either cap them off in the panel (I suggest marking them for possible future reference), or taking the wire completely out of the panel and cutting it off somewhere.
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Old 02-20-2012, 08:10 PM   #9
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How to conceal 12-2 wire coming from wall?


I like to label them and leave them capped off. Never know when you could use them.
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Old 02-20-2012, 08:53 PM   #10
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How to conceal 12-2 wire coming from wall?


OK,l I removed the panel and i now see this. Do I just unscrew the screws holding the black and white wires marked A and B? and just cap them off and I'm good? Any unobvious dangers I should be looking out for?

I assuming it wouldnt hurt to trip the breakers on the right hand side above and below where I"m going to be unscrewing the two screws?


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Old 02-20-2012, 09:00 PM   #11
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How to conceal 12-2 wire coming from wall?


Yes, just unscrew the black and white indicated (assuming you're 100% sure its the correct breaker controlling the wire in question), and cap them off with and stick them into the side of the panel out of the way (again, I would mark it with a small note, indicating what this wire was originally used for, for future reference). And yes, you can turn off the breakers above and below if you it makes you feel more comfortable working.
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Old 02-20-2012, 10:00 PM   #12
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How to conceal 12-2 wire coming from wall?


If I were you I would check how all your circuits are connected to the breakers, from what I can see in your pic, the hots going to the breakers are not installed properly. Looks like they are only catching by the screw heads! They should be under the u-shaped plate on the breakers , not under just the screw head! Could be wrong but looks like A B and all the others could slip right out from under the screw heads.
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Old 02-20-2012, 11:22 PM   #13
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How to conceal 12-2 wire coming from wall?


Edit: missed the picture, you have a subpanel, you can cut power to the whole sub including the feeders at the main.
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Old 02-21-2012, 12:34 AM   #14
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How to conceal 12-2 wire coming from wall?


That looks like a sub panel with no main breaker. It's wired with 4 wire a separate neutral and ground. There is no way to turn off the main power.
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Old 02-21-2012, 02:23 AM   #15
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How to conceal 12-2 wire coming from wall?


OK, it worked like a charm. I tripped the breakers on the right side and also a couple on the left side that came through the right side just to be safe, capped and labeled the two wires. After replacing the panel cover, I tested the wires from the wall, then cut them back a bit, then capped those off too. Finally, repaired the wall, so now the paint in drying!!

I appreciate everyones suggestions and help! The wall looks perfect now.

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