JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.

You are watching: 12-2 vs 12-3


I am removing a wall and have to re-route some wiring. My plan is to install a junction box and re-route the wire as necessary. The question I have is what type of wire do i need for an outlet. The existing wire is stamped 12/3? (from what I can tell; hard to read). I thought that 12-2 was what I would need for an outlet. Is this correct? Does it make a difference if the outlet is in a series of other outlets?Thanks
XX-2 would have one hot conductor. XX-3 could have 2 hot conductors, a black and a red.Typical usage for xx-3 is 3 way switching or when 2 circuits are run to the same location in one cable and can be split off at a junction box.
Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
Thanks Jim! That"s what i thought..just don"t know why the cable would be stamped 12/3?? There are only three wires (not sure of color..not at home).
another question...maybe i am not understanding this..would you use 12/3 if you are running a number of outlets in line?
*

Thanks Jim! That"s what i thought..just don"t know why the cable would be stamped 12/3?? There are only three wires (not sure of color..not at home).
*

another question...maybe i am not understanding this..would you use 12/3 if you are running a number of outlets in line?
You typically wire receptacles in a A to B to C to D pattern. You only need xx-2 cable unless you need another hot that is switched along with the constant hot.

See more: Shaggy 2 Dope Without Face Paint, Icp Health News Sparks Curiosity


Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
another question...maybe i am not understanding this..would you use 12/3 if you are running a number of outlets in line?
you wouldn"t unless:1) the receptacle is semi controlled ( top or bottom portion controlled by a switch)2) you have two circuits in the same area ( Black on one breaker, red on another breaker and sharing a neutral) That way you only have to run one 3 wire cable instead of two 2 wire cables.Edit: im not sure if you"re actually talking about receptacles or lighting outlets..alot of ppl call recpetacles, "outlets"
*
Continue with Google
A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Helping You to Do It Yourself!