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    stan_81433's Avatar
    stan_81433 Posts: 1, Reputation: 1
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    #1

    May 21, 2010, 03:14 PM
    Is it safe to run #10 wire 25 feet to a 30 amp air conditioner/heating unit
    Want to run #10 gauge wire 25 feet to a large window unit that heats and cools. Is the distance too far for #10 wire.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
    		  
    #2

    May 21, 2010, 03:16 PM

    Yes.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #3

    May 21, 2010, 04:49 PM

    Well the question is not clear.

    A) Does the unit require a 30A circuit?
    B) Or does the unit draw 30A?

    If A), then 25 feet is not at all too far.
    If B), then #10 is not large enough, you need #8.

    The bottom line is what does the rating plate on the unit state as far as minimum circuit ampacity and maximum fuse or breaker?
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