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225 Amp Breaker in a 200 Amp panel

30293 Views 5 Replies 5 Participants Last post by  rbj, 
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Hey guys, this may seem like a dumb question, but Im going to ask anyway. Can you put a 225 Amp breaker in a 200amp rated panel? I ask cause I ran into this the other day. the service had a 225 Amp breaker in a home (120/240 single phase). As far as I know there is no panel rating between 200 and 400amps. Am I wrong? I am new at doing residential work. Thanks.
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itsunclebill
The answer if it's a main breaker is no. If it's a branch circuit breaker, yes.

But, I suspect you really meant to ask something else. There are 225 AMP rated resi panels with 225 AMP busses and main breakers and I suspect this is what you saw.
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itsunclebill said:
The answer if it's a main breaker is no. If it's a branch circuit breaker, yes.

But, I suspect you really meant to ask something else. There are 225 AMP rated resi panels with 225 AMP busses and main breakers and I suspect this is what you saw.
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Yes, this is what I saw. I didnt know there was such a thing as a 225 Amp residential panel. Thanks.
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french connection!!
I've seen a 200 amps square D main distribution with a 200 amps main disconnect and above it , from the meter socket also , another slot for a 50 amps '' max '' 2 poles breaker !
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Bkessler
I know for sure some 100 amp panels say the bus is rated at 125.
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Absolutetruthz said:
Yes, this is what I saw. I didnt know there was such a thing as a 225 Amp residential panel. Thanks.
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If I remember, the difference between a 40 slot and 42 slot is 200 and 225 rated equipment. Check SQ D on this, and the difference shows up for HO(200) vs. QO (225). The breakers are rated higher for the QO commercial applications to match. rbj
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