12/2 romex on 15A breaker?


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Old 01-06-22, 08:21 AM
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12/2 romex on 15A breaker?

I need to relocate the 14/2 romex going to my dishwasher. It's a 15A dedicated circuit per manufacturer. When I reroute it, it isn't long enough. I have a lot of 12/2 romex, but no 14/2. Can I run my 12/2 from the 15A breaker, to the dishwasher?
 
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Old 01-06-22, 09:58 AM
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Yes, not a problem.

Yes, it is overkill, but you save time otherwise spent brainstorming, shopping online, and making the trip to the store to buy 14 gauge cable.
 
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Old 01-06-22, 10:02 AM
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Yes, using a larger wire size is permitted.
 
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Old 01-06-22, 10:07 AM
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Thanks for the responses!
 
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Old 01-06-22, 07:20 PM
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Not required but I would still put a mark somewhere on the panel/breaker legend that says 15A Max 14AWG is installed somewhere in the circuit or some wording I'm sure can be expressed easier then mine LoL!
 
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Old 01-07-22, 12:30 PM
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Can I run my 12/2 from the 15A breaker, to the dishwasher?
Yes, you can. I'd also change the breaker to 20 amps.
 
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Old 01-07-22, 02:59 PM
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Yes, you can. I'd also change the breaker to 20 amps.
Only if the entire run is 12AWG though.
 
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Old 01-08-22, 02:28 PM
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Only if the entire run is 12AWG though.
The question was
​​​​​​​ Can I run my 12/2 from the 15A breaker, to the dishwasher?
That means to me a new dedicated circuit of 12-2. No mention of any 14-2 at all.
 
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Old 01-08-22, 07:04 PM
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Um
I need to relocate the 14/2 romex
 
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Old 01-11-22, 07:54 AM
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I need to relocate the 14/2 romex
But rather than relocate the 14-2 the alternate the OP asked about was.
​​​​​​​ I have a lot of 12/2 romex, but no 14/2. Can I run my 12/2 from the 15A breaker, to the dishwasher?
No mention of using any 14-2 in the new dedicated circuit. I still recommend using a 20 amp breaker.
 
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