3 wire circuit to two 2 wire circuits

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Old 12-27-10, 12:04 PM
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3 wire circuit to two 2 wire circuits

I have an extra, unused 3 wire circuit on two 20 amp circuits that i want to run into a junction box and connect to two separate 12/2 cables to which I will add additional outlets. Is this simply a matter of connecting all the whites together and the black from one 12/2 to the black on the 12/3 and the black from the other 12/2 to the red from the 12/3? I will also pigtail all the grounds. I plan on running two outlets from one of the 12/2s to service the refrigerator and a gas stove. The other 12/2 will supply three kitchen countertop outlets and will be GFCI via the first outlet on this run.
 
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Old 12-27-10, 12:57 PM
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I have an extra, unused 3 wire circuit on two 20 amp circuits
By current code and best practice it should be a 2-pole 240 volt breaker.
 
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Old 12-27-10, 01:16 PM
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Bad description on my part. It is on a double-pole breaker, 20 amp each side. Everything else would be okay?
 
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Old 12-27-10, 04:24 PM
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Yes it sounds okay. The only other detail is that the white (neutral) wires must be connected with a mechanical fastener like a wirenut when you split from 12/3 to 12/2. They cannot be spliced using the device screws on a receptacle like you could with a normal circuit.
 
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