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    jaybo720's Avatar
    jaybo720 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 8, 2008, 03:33 PM
    Electrical service
    What size wire needed for 150 amp service ?
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
    		  
    #2

    Dec 8, 2008, 03:41 PM
    Not nearly enough information. What's the distance.

    From the NEC Code Book: Table 310.15 (B) (6)

    150 Amps #1 AWG THWN or XHHW Copper or #2/0 Aluminum
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #3

    Dec 8, 2008, 08:00 PM
    In the most basic of ways Don is correct. Thing is, this was the only answer he could give considering the lack of details provided.

    I will add, a 150A service is a useless size these days. There is almost no difference in price between it and a 200A. In most any case it is not at all worth installing a 150A service.
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