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Posted by John Grabowski on February 21, 2007, 8:02 am
> Just moved into an eighteen year old condo that has a federal pacific
> electric breaker panel with challenger circuit breakers.
>
> I have an 1988 vintage GE electric combination electric range/oven
> with an integrated over the range microwave.
>
> Every time I use the electric range, its oven, and the microwave
> together, the range circuit breaker in the panel box trips. This
> circuitbreaker is double breaker that has 40 on its two tandem
> switches which I assume is an 80 amp double breaker.
>
> I am looking for professional opinions
>
> Is it possible the 80 amp breaker is bad??
>
> Would the total draw of the range its oven and the micro on at the
> same time cause an 80 amp rated breaker to trip??
>
> Thanks for your help
>
> VIC
>
I've seen a number of those combo stove/oven/microwave units in my area.
The builders installed them in condos and townhouses. It is one unit fed by
a single 40 amp 230 volt circuit. The most simple thing to do is replace
the circuit breaker and see if that corrects the problem. What I don't
understand is how you have Challenger circuit breakers in a FPE panel? I'm
wondering if a previous owner pulled a fast one and swapped out the FPE guts
for Challenger innards. If so it is not an acceptable set up. To my
knowledge Challenger never made circuit breakers that were compatible with
FPE. Challenger is no longer in business, but a Siemens type BR circuit
breaker should work.
John Grabowski
http://www.mrelectrician.tv
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