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Old 02-11-2013, 11:51 PM   #1
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Damaged wire, help needed


I was trying to install a new ceiling light fixture in our bedroom. When drilling a new hole to run the romex down to the light switch I nicked an existing wire. Can this be repaired or will the wire need to be replaced entirely?

The red insulation on that wire is damaged and if pulled back the copper wire is visible as seen in the link.

http://www.flickr.com/photos/93135998@N03/

Any help is greatly appreciated. Currently has electrical tape around red wire and around black wire on damaged places, and finally wrapped around the whole wire. I have power to this shut off at the breaker.

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Old 02-12-2013, 12:02 AM   #2
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Damaged wire, help needed


My advice is to replace that wire. If the copper conductor wasn't nicked, then I'd say just tape it up, but with the damage done, you are risking that wire breaking.

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Old 02-12-2013, 12:06 AM   #3
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Damaged wire, help needed


I would replace the wire and sleeve the area that got chewed with flexible conduit and anti short bushings.

I have seen some rats that chewed right through a copper conductor. They have tough teeth and can do a number on copper conductor.
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Old 02-12-2013, 12:14 AM   #4
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Damaged wire, help needed


Quote:
Originally Posted by k_buz View Post
My advice is to replace that wire. If the copper conductor wasn't nicked, then I'd say just tape it up, but with the damage done, you are risking that wire breaking.
I will fix it, but is it unsafe to run power to this light in the meantime?
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Old 02-12-2013, 12:32 AM   #5
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Damaged wire, help needed


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Originally Posted by dcs6f4 View Post
I will fix it, but is it unsafe to run power to this light in the meantime?
Probably not, but that is no guarantee. If the wire happens to break, there could be some arching creating a fire hazard.
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Old 02-12-2013, 01:13 AM   #6
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Damaged wire, help needed


I am on the same page as other guys mention the safest way you can deal is replace that cable with the same size as the oringal one which it got damaged.

It may be little tough to tug it due it may be allready stapled so I don't know how tight it will be so it kinda a risk to do more damage so go ahead and yank it out and fish in new cable.

But let me give you a head up before you start replaceing the cable make sure you marked all the connections goes before you take the switch box apart this part will really save your headache right there.

When you turn the circuit off double check to make sure this is off 100%

Bon Chance!

Merci,
Marc

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