Heat Shrinks - Electrical - Contractor Talk

Heat Shrinks

 
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Old 09-15-2008, 10:28 PM   #1
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Heat Shrinks


i saw this the other day, heat shrink over the "H" tap joint. I usualy tape it up and put plastic covers. is it worthed to heat shrink it ??
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Old 09-15-2008, 10:56 PM   #2
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Re: Heat Shrinks


We use dual wall heat-shrink on boats all of the time. Not sure of what the NEC allows, I'm sure that it's archaic.

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Old 09-16-2008, 04:18 PM   #3
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Re: Heat Shrinks


I just clip on the covers, but there's no reason why you can't heat shrink. You'd have to do 2 or 3 layers of heat shrink, or do one layer of that really thick stuff. The insulation has to be equivalent to the conductor's insulation, so that's a pretty good measure of how thick you need to build up.
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Old 09-16-2008, 07:36 PM   #4
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Re: Heat Shrinks


anyone know of an heat-shrink u can wrap around the wire. Example... wire damaged inside an LB and u have 150 feet from both side. i tried cutting the Heat-shrink and wraping it around the wire but it " shrival's up"
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Old 09-16-2008, 07:39 PM   #5
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Re: Heat Shrinks


Quote:
Originally Posted by pat c View Post
anyone know of an heat-shrink u can wrap around the wire. Example... wire damaged inside an LB and u have 150 feet from both side. i tried cutting the Heat-shrink and wraping it around the wire but it " shrival's up"
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Old 09-16-2008, 07:47 PM   #6
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Re: Heat Shrinks


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shrivels
TY for clearing that up..........
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Old 09-16-2008, 10:54 PM   #7
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Re: Heat Shrinks


Quote:
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anyone know of an heat-shrink u can wrap around the wire.
Yes, there is a heat-shrink tape. Unfortunately, it's been several years since I had occasion to source/use it, and the cobwebs aren't letting the name through.

Anyone?
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Old 09-17-2008, 04:36 PM   #8
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Re: Heat Shrinks


For what you're asking for, I think I'd use "Linerless rubber splicing compound" or that paint-on electrical tape that 3M makes.

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