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This is a followup question to this answer

I plan to do something quite similar to the diagram Tester101 posted. I will pull 3-wire (10/3+g) into a junction box and then pull 2 separate 2 wires (12/2+g) from the J box to GFCI outlets. Here are the things I am looking for clarification on...

--Can I run two 20amp circuits with the above configuration?

--If so, will the dual pole breaker be labeled "40 amp" back at the panel? (like a large appliance 240v breaker, or is there some other kind of dual pole breaker that I should look for?)

Thanks!

Community
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Mateo
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2 Answers2

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You'll use a double pole 20 ampere breaker. It will have two handles that are tied together, and will say "20" on the handles.

It should look similar to this...

enter image description here
(source: homedepot.com)

I'm not sure why you're planning to run 10 AWG conductors, but typically 20 ampere circuits only require 12 AWG conductors.

Glorfindel
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Tester101
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Yes, this is a perfectly valid configuration.

The breaker will be labeled as a "20 Amp" breaker. The breaker ratings are per-conductor and not total current.

They generally look just like the "large appliance 240v breaker", though there do exist some which put four breakers in one module called a "quad". One uses the quad breakers when there are no empty slots in the breaker box (though one must double-check that the box is certified to be able to be used with the "quad" breakers").

Pigrew
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