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You are watching: 12/3 vs 12/2


I to be removing a wall and have to re-route some wiring. My setup is to download a junction box and also re-route the wire as necessary. The concern I have is what kind of wire perform i require for an outlet. The existing cable is stamped 12/3? (from what I can tell; hard to read). I believed that 12-2 to be what i would need for an outlet. Is this correct? go it make a distinction if the outlet is in a series of other outlets?Thanks
XX-2 would have actually one warm conductor. XX-3 can have 2 warm conductors, a black and a red.Typical consumption for xx-3 is 3 way switching or as soon as 2 circuits are run come the same place in one cable and can be break-up off in ~ a junction box.
Answers based on the National electric Code. Local amendments might apply. Check with her local building officials.
Thanks Jim! That"s what i thought..just don"t recognize why the cable would certainly be stamped 12/3?? over there are just three wires (not sure of color..not in ~ home).
another question...maybe ns am not understanding this..would you usage 12/3 if you room running a number of outlets in line?
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Thanks Jim! That"s what i thought..just don"t know why the cable would certainly be stamped 12/3?? there are just three wires (not certain of color..not in ~ home).
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another question...maybe i am not understanding this..would you use 12/3 if you room running a variety of outlets in line?
You commonly wire receptacles in a A come B come C come D pattern. Friend only require xx-2 cable uneven you need an additional hot that is switched along with the constant hot.

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Answers based on the National electrical Code. Neighborhood amendments might apply. Examine with her local building officials.
another question...maybe i am not understanding this..would you usage 12/3 if you are running a number of outlets in line?
you wouldn"t unless:1) the receptacle is semi regulated ( peak or bottom portion controlled through a switch)2) you have actually two circuits in the exact same area ( black color on one breaker, red on an additional breaker and also sharing a neutral) That way you only have to run one 3 wire cable rather of two 2 wire cables.Edit: ns not certain if you"re in reality talking about receptacles or light outlets..alot the ppl speak to recpetacles, "outlets"
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