wiring sub panel questions


Old 03-25-06, 08:57 AM
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Join Date: Mar 2006
Posts: 14
wiring sub panel questions

I am going to be wiring a 100amp (220v) subpanel in my detached garage. I need to run @25ft of wire from my main panel and was wondering what size wire I will need to run? Thanks
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Old 03-25-06, 09:06 AM
Join Date: Sep 2003
Location: Central New York State
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The answer depends on what size breaker you plan on for feeding the panel. Will you be feeding it 100 amps or something less?
Old 03-25-06, 09:29 AM
Thread Starter
Join Date: Mar 2006
Posts: 14
Yes, I will be feeding it with 100amps
Old 03-25-06, 09:31 AM
Join Date: Feb 2002
Location: port chester n y
Posts: 2,117
#3 THHN copper conductors
Old 03-25-06, 11:40 AM
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Join Date: Jan 2006
Location: PA
Posts: 1,909
#4 copper or #2 aluminum.

(#3 copper is always okay. #4 is okay in most jurisdictions.)

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