Can a 100 amp subpanel be feed off of a 100 amp main?

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Question by Mike
Submitted on 5/26/2004
Related FAQ: Electrical Wiring FAQ (Part 1 of 2)
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Can a 100 amp subpanel be feed off of a 100 amp main?

Answer by Moofie
Submitted on 11/2/2004
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Not legally anywhere in the US or Canada.

Answer by Dr-Bob
Submitted on 2/14/2005
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Yes, just make sure you have conductors large enough feeding the sub-panel .

Answer by ron
Submitted on 11/14/2005
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need an answer

Answer by Poodles
Submitted on 1/24/2006
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Why do I live at 5678 Fountain City IN.l

Answer by boo
Submitted on 5/9/2007
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boo i scared you

Answer by Howard
Submitted on 5/29/2007
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I have run a 100 amp subpanel off a 100 amp panel. I am not an electrician, but I didn't have an problems with it. As long as you use properly rated wire and ground everything it should be fine. The main breaker will trip if it draws more than it is rated for. I am not exactly sure which one will trip first. My guess is that if the system ran in a vacuum and the breakers, conductivity, impedence, etc of both boxes were identical the main panel should cut out first.

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