I am changing a 50-amp breaker to a 30-amp one to install an oven that
draws less current than the old one did. I have seen information here
about testing a bad circuit breaker, but how do you test a good one? In
other words, if I install a new breaker, how do I know it will trip if
the load exceeds 30 amps?
Other than shorting both legs of the 220 line and creating an
impressive spark, you just assume, as the rest of us, that the breaker
works, and chances are that it will.
What is the current draw on your new oven at full load?
Will the plug go in a 50A recpt? If it does then I see no reason to
You would only have to change the breaker if you changed the outlet.
I think most receptacles are keyed somehow to keep you from using an
You can plug a 15A device in a 20 Amp recpt, but you can not plug a
20A plug into a 15A recpt.
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