View Full Version : Cooktop 30 amp Breaker Consequences
MJS17
Jul 15, 2014, 03:52 PM
I have wired a cooktop to a 30 amp breaker but the specs call for a 40 amp. What will happen?
donf
Jul 15, 2014, 04:20 PM
Do you mean apart from the electrical code violations?
If the cooktop tries to draw the full 40 amps, the 30 amp breaker will trip.
stanfortyman
Jul 15, 2014, 04:23 PM
If the specs call for a 40A circuit why did you wire it to 30A?
ma0641
Jul 15, 2014, 07:24 PM
It will trip the breaker and you will not be able to use the unit.
Missouri Bound
Jul 16, 2014, 06:05 AM
Can you tell us how this happened? Was the wire already in place? Did you simply make a mistake? It's not going to hurt the appliance, but it will limit just how much of it you can use at once. The breaker tripping will get annoying enough for you to do it correctly.
hfcarson
Jul 17, 2014, 03:51 AM
have you tried it?
smoothy
Jul 17, 2014, 04:50 AM
I'm guessing they were trying to avoid spending the roughly $12 for the correct breaker or didn't find out what the requirements were before wiring the job and undersized everything.
hkstroud
Jul 17, 2014, 06:03 PM
Don't change that breaker unless you also change the wiring.
smoothy
Jul 17, 2014, 06:07 PM
Agreed... what size wire is in it now?