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

    Oct 2, 2011, 08:10 PM
    I have a 100 amp main panel and I want to feed a 200 amp main lug.
    The panel I have now is a 100amp main breaker and I still want the ability to keep some of the circuits that it currently has in it. I am putting the 200amp main lug in my house and was wondering if it is safe to put a 100amp break in my main panel to feed the 200 amp main lug panel and if so then what size wire should I use to do so? The reason I am putting the 200 amp panel is to possibly upgrade the system to a 200Amp.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Oct 3, 2011, 04:53 AM
    Yes, you can use a 100 Amp breaker to feed a 200 Amp panel, obviously your limited to the 100 Amp.

    For this purpose you can use #2 aluminum wire.
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