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Old 02-17-2009, 11:24 AM   #1
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Replacing damaged BX line in kitchen wall


My wife and I decided to add some recessed lighting to our kitchen ceiling. We added 4 cans along the counter line and will be replacing our ceiling light with a hanging lamp over the kitchen table.

We wanted to have the new cans on a different switch than the hanging lamp. I think we're gonna make them both dimmers.

I should mention that all but one circuit in my house is BX line (rubber/cloth inside a metal sheath) which doesnt have a ground (not even the thin flat wire that runs within it) and the house was built in 1952. I believe the metal sheath is grounded.

In an attempt to not overload the circuit the hanging lamp is on, I decided to pull power from a different source. There is a Romex line in my attic that doesn't have much on it (maybe 6 lights). So I am planning on branching a line down to the switch box and run that to my cans.

I was able to mount the 4 new cans and run the wires between them. I had a 2-switch box near the kitchen entrance that I chopped out an installed a 3 gang Old Work metal box. In the process of porting my old BX cables to the new box I cracked a wire (DAMN!). It's a very short run that goes from the switch box about 3-4 feet up to an old unused outlet on my screened in porch. Continuing from there is a grey Romex line that runs to the screened in porch light.

So what are my options here?

Can I run a (indoor or outdoor) romex line 3-4 feet to the socket? What do I do with the ground wire in that line? Can I just attach it to the gang box?

I was so close to being finished... it's always something, right?

Any help is appreciated.

Fish
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Old 02-17-2009, 11:30 AM   #2
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Replacing damaged BX line in kitchen wall


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Originally Posted by fishnyc22 View Post
My wife and I decided to add some recessed lighting to our kitchen ceiling. We added 4 cans along the counter line and will be replacing our ceiling light with a hanging lamp over the kitchen table.

We wanted to have the new cans on a different switch than the hanging lamp. I think we're gonna make them both dimmers.

I should mention that all but one circuit in my hose is BX line (rubber/cloth inside a metal sheath) which doesnt have a ground (not even the thin flat wire that runs within it) and the house was built in 1952. I believe the metal sheath is grounded.

In an attempt to not overload the circuit the hanging lamp is on, I decided to pull power from a different source. There is a Romex line in my attic that doesn't have much on it (maybe 6 lights). So I am planning on branching a line down to the switch box and run that to my cans.

I was able to mount the 4 new cans and run the wires between them. I had a 2-switch box near the kitchen entrance that I chopped out an installed a 3 gang Old Work metal box. In the process of porting my old BX cables to the new box I cracked a wire (DAMN!). It's a very short run that goes from the switch box about 3-4 feet up to an outdoor outlet. Continuing from there is a grey Romex line that runs to the screened in porch light.

So what are my options here?

Can I run a (indoor or outdoor) romex line 3-4 feet to the socket? What do I do with the ground wire in that line? Can I just attach it to the gang box?

I was so close to being finished... it's always something, right?

Any help is appreciated.

Fish
><>
If the wire is in the wall then indoor romex is ok. Tie the ground to the box and any other grounds going out.

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Old 02-17-2009, 11:52 AM   #3
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Replacing damaged BX line in kitchen wall


Thanks so much for the quick reply. Thats awesome. I thought I was gonna have to go buy a length of BX. Thanks so much.

I do have another question actually.

I just realized something regarding my Romex line that was already in my attic. That line is on a 20amp circuit. It looks like whoever installed this used 12-2 wire from the breaker to the first junction over my bedroom then split it off using 14-2 wire to the 4 recessed lights in my bedroom and a couple of outdoor flood lights.

I that a concern? Should I think about downgrading the circuit to a 15amp fuse? Or do I not mess with it?

Thanks again,

Fish
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Old 02-17-2009, 12:00 PM   #4
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Replacing damaged BX line in kitchen wall


Quote:
Originally Posted by fishnyc22 View Post
Thanks so much for the quick reply. Thats awesome. I thought I was gonna have to go buy a length of BX. Thanks so much.

I do have another question actually.

I just realized something regarding my Romex line that was already in my attic. That line is on a 20amp circuit. It looks like whoever installed this used 12-2 wire from the breaker to the first junction over my bedroom then split it off using 14-2 wire to the 4 recessed lights in my bedroom and a couple of outdoor flood lights.

I that a concern? Should I think about downgrading the circuit to a 15amp fuse? Or do I not mess with it?

Thanks again,

Fish
It is a code violation and I would put in the proper size breaker. I found where they had done the same thing in my house at one point also.

Jamie
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Old 02-17-2009, 12:10 PM   #5
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Replacing damaged BX line in kitchen wall


Thanks Jamie, I figured that was the case. So no risk of using a 15amp breaker even though that first run is 12-2? I guess having heavier gauge cable is better than lighter, right?

Thx

Fish
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Old 02-17-2009, 12:40 PM   #6
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Replacing damaged BX line in kitchen wall


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Originally Posted by fishnyc22 View Post
Thanks Jamie, I figured that was the case. So no risk of using a 15amp breaker even though that first run is 12-2? I guess having heavier gauge cable is better than lighter, right?

Thx

Fish
You can always use heavier gage cable. (as long as the breaker supports it, which isn't even remotely an issue with this size wire / breaker). So I would so ahead and put the 12-2 on a 15A breaker.

Jamie

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