Circuit Breaker 22AIC

Eddy Lee · 2023-09-24T19:28:32+00:00

I have microwave, fridge and 10 laptops on a 20A circuit. Fine most of the time until I use the microwave. Should I try a 22 Amp Interrupting Circuit breaker? Existing one might be 10AIC.

Sep 24, 2023 Last reply: 2 years ago 54 Replies

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bud-- 2 years ago

Does the disposal plug into a receptacle? If not it needs a disconnect (the switch) if wired under the NEC.

Fan plugs into a receptacle under the sink? Switch for a hood fan that is plugged in under a sink? Does the line cord for hood fan run through cabinet wall? Sounds more like it was for a dishwasher. Disconnect applies here too.

"Top"? Top half of a duplex receptacle? If that is what it is, a single duplex receptacle should have been split-wired to the 2 switches. Or two single receptacles should have been used.

Your electrical inspector would not be pleased.

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bud-- 2 years ago

So "both outlets under the sink" is a duplex receptacle.

The oversight is that it should have been a single receptacle. A receptacle under the sink is only for the disposal. It certainly is not for a microwave that is to be on one of the "small appliance branch circuits".

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Eddy Lee 2 years ago

Yes.

Single receptacle is not common here. I guess economy of scale is for double.

It's not difficult to avoid using disposal and microwave at the same time, perhaps with a 3 way switch.

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