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Mast Wire #73141
12/18/06 08:07 PM 12/18/06 08:07 PM

frankft

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Member

Joined: Oct 2004
Posts: 39
Maine

I'm working on my first large mast service and I was wondering what you guys use for wire in the mast? I will be using 400 kcmil AL. I was thinking XHHW, but I was wondering if THWN was acceptable, or what was the standard wire type for the least cost. Thanks

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Re: Mast Wire #73142
12/18/06 09:09 PM 12/18/06 09:09 PM

caselec

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Joined: Apr 2002
Posts: 558
San Jose, CA

Either THWN or XHHW can be used as long as they are marked Sunlight Resistant. I find that the Nylon starts peeling off THWN in a couple years and looks bad.

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