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    texhillbilly's Avatar
    texhillbilly Posts: 2, Reputation: 1
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    #1

    May 24, 2011, 06:20 PM
    National Electric Code Online?
    What is the ampacity of a #3 aluminum conductor in free air
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #2

    May 24, 2011, 06:25 PM

    Just wondering, where and how are you running cable in free air?
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #3

    May 24, 2011, 06:29 PM

    Depending on conditions it is either 95 or 115 amps.
    Missouri Bound's Avatar
    Missouri Bound Posts: 1,532, Reputation: 94
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    #4

    May 24, 2011, 08:02 PM
    Hmm.. sounds like a test question. I haven't done homework in 40 years.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #5

    May 25, 2011, 03:51 AM
    Quote Originally Posted by Missouri Bound View Post
    Hmm..sounds like a test question. I haven't done homework in 40 years.
    Yeah really. Do think I will ever get an answer to post #2? :p :rolleyes:
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #6

    May 25, 2011, 04:05 AM
    I doubt it Stan.

    The NEC can be viewed on line at

    NFPA 70: National Electrical CodeŽ

    That will make a sane person run out into the middle of the night.
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