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In the wall romex repair

lhc_cj7

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Oct 28, 2008
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Ohio
Removed a 6" path of drywall in the garage to run romex from the sub panel to a disconnect onto the air compressor. Well behind the drywall is insulation. I went ahead and drilled holes in the studs to run the romex and did not move the insulation a side and struck a 30amp 120v RV romox wire.
burntromex1_zps832ce598.jpg


burntromex_zpsa90861a3.jpg


What's the proper repair? :bowdown:
 
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kd3pc

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Northern Neck
Nope, that's not rated for 10 gauge wire.

I would replace/reroute the wire if the run was short enough or put in 2 junction boxes w/blank covers if replacement wasn't going to be easy.

boxes would then have to be "accessible"....can not be placed behind the sheetrock or left in the wall.
 

n8n

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Curtis Bay, MD
^what he said. The "proper" repair is to rerun the whole length of Romex. If you can't do that then you'll have to use junction boxes and splice, and they'll have to have removable blank covers that will be accessable when all your work is finished. Pay attention to box fill; I can't tell from your pics, is that 10/2WG or 10/3WG? I suspect at a minimum you will need two gang boxes however.
 

Kevin54

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If you can pull enough wire from both sides of the run, just add an outlet in and use that as your splice, then call it a day.
 

the gypsy

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ssbtech I don't understand why you quoted me, you did not make a comment. I am not the one that has a problem. I am just happy there is a product that can fix a potential problem without putting those octagonal boxes and having to leave them accessible.
 
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lhc_cj7

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Oct 28, 2008
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Ohio
what would you need a 30 amp outlet for?

In the last 10 years homes have RV sewer access and a 30a 120v plugs on the outside of the garage wall. Almost all new homes now have 40 foot deep x 15 high RV garages, some deep as 60 foot.
 

G_P

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Methinks that's a Havasu/Arizona/Snowbird/Retirement-type area thing.
Haven't seen ANY new homes here like that, much less "almost all"...

Seriously! New homes built here have normal sized garages. Most people with large RV's get those build it yourself steel frame tarp covered garages to park the RV in when its not in use.

There was one 40' RV garage near me with the house built above it, but the owner sold it and the new owner bulldozed it and put up duplexes in its place.
 

James-W

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Are those Tyco splicers legal to use inside of a wall? I have some serious doubts about that. I would strongly suggest contacting your local electrical inspector and finding out for certain before you decide to repair the wiring using that device. For all I know it could be perfectly permissible to use inside of a wall, but for some reason I rather doubt that is the case.
 
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cagullett1

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Are those Tyco splicers legal to use inside of a wall? I have some serious doubts about that. I would strongly suggest contacting your local electrical inspector and finding out for certain before you decide to repair the wiring using that device. For all I know it could be perfectly permissible to use inside of a wall, but for some reason I rather doubt that is the case.

I was thinking the same thing. Doesn't seem legal/safe to have in the wall. I would prefer the splice with junction boxes or outlets. I've made this mistake before, but with 14G wire so I just added extra 15A outlets.

In regards to the 30A outlet, I can think of 3 things that could use an outlet of that size... compressor, welder, electric heater.
 
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lhc_cj7

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Methinks that's a Havasu/Arizona/Snowbird/Retirement-type area thing.
Haven't seen ANY new homes here like that, much less "almost all"...

OK a little exaggeration but more and more and almost all are snowbirds.
 
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Highbeam

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Mt Rainier foothills, WA
I have two 30 amp 120 volt plugs in my shop for the RV. In fact, she's plugged in right now keeping the fridge cold and batteries charged up for the coming weekend trip. No sewer hookup though. I thought that was a bad idea since the vent for the sewer tank is on the RV roof, I would be venting the sewer into my shop.
 
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lhc_cj7

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So the plan was to place a splice box close to the damage and the other in the attic above the garage. Cut a 2 foot section of drywall below the damage and found a burn mark on the romex. Must have been from the initial damage. Cut out 3 small sections of the wall down to the RV plug and will pull a new 30' section of 10-2.

Anotherburntspot_zps95c9dad1.jpg


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Kevin54

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If you can pull enough wire from both sides of the run, just add an outlet in and use that as your splice, then call it a day.

Thats a 30a circuit he has to repair!!

So the plan was to place a splice box close to the damage and the other in the attic above the garage. Cut a 2 foot section of drywall below the damage and found a burn mark on the romex. Must have been from the initial damage. Cut out 3 small sections of the wall down to the RV plug and will pull a new 30' section of 10-2.

Anotherburntspot_zps95c9dad1.jpg


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lhc......I'm glad to see it shorted instead of something starting to smolder.

My job here is done :lol:
 

pattenp

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Virginia - USA
The Tyco splicers are approved for concealed use by NEC 334.40 (B). The 2014 NEC added wording to clarify.

Are those Tyco splicers legal to use inside of a wall? I have some serious doubts about that. I would strongly suggest contacting your local electrical inspector and finding out for certain before you decide to repair the wiring using that device. For all I know it could be perfectly permissible to use inside of a wall, but for some reason I rather doubt that is the case.

I was thinking the same thing. Doesn't seem legal/safe to have in the wall. I would prefer the splice with junction boxes or outlets. I've made this mistake before, but with 14G wire so I just added extra 15A outlets.

In regards to the 30A outlet, I can think of 3 things that could use an outlet of that size... compressor, welder, electric heater.
 

wyliesdiesels

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Modesto, CA
So the plan was to place a splice box close to the damage and the other in the attic above the garage. Cut a 2 foot section of drywall below the damage and found a burn mark on the romex. Must have been from the initial damage. Cut out 3 small sections of the wall down to the RV plug and will pull a new 30' section of 10-2.

Anotherburntspot_zps95c9dad1.jpg


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Is that green wire a ground wire or something else??
 
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lhc_cj7

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Ohio
Yes that is a ground wire and not sure wher it goes from this box. I could not find it in the garage attic. I'll have to look again. Replaced a 30' section last night and now back to repairing the drywall.
 

justsam

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Is that "ground" wire a single conductor? From the picture it looks like it is a blue sheath cat 5 cable. Should also be green if covered.

If it terminates in that same box, how does it terminate there, it looks like a plastic box.
 

wyliesdiesels

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Is that "ground" wire a single conductor? From the picture it looks like it is a blue sheath cat 5 cable. Should also be green if covered.

If it terminates in that same box, how does it terminate there, it looks like a plastic box.

Its probably spliced with the grd in the #10 NM. Perfectly fine as code allows EGCs to be run separate from circuit conductors.
 
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lhc_cj7

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Ohio
Is that "ground" wire a single conductor? From the picture it looks like it is a blue sheath cat 5 cable. Should also be green if covered.

If it terminates in that same box, how does it terminate there, it looks like a plastic box.

It's a green single wire. It's pigtailed and wire nut, romex, green wire and then on to the plug.
RVbox_zps1ab39579.jpg


Says RV Plug only
RVplug_zps23de55f3.jpg


IMG_0150_zps4c8eec04.jpg
 

madosta

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Michigan
Hmmm... so it's maybe a ground for some equipment like a cable box or something or it's a replacement ground back to the panel - I'm guessing.
 
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