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12/4 In Device Box

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    12/4 In Device Box

    Is it a PIA to splice through 12/4 in device box? Case in point, if you have 3 receptacles next to each other all on separate ckt and allowed to share neutral and you pull a 12/4 to the first device.

    #2
    It depends on the cu. in of your box but it will be tight. You may be able to if your box has a minumum 27 cu.in. This allows a 12/4 and a 12/3 with a device grounds and a clamp-- not sure what you are using. Personally I would avoid it and put a jb above, if possible
    They say I shot a man named Gray and took his wife to Italy
    She inherited a million bucks and when she died it came to me
    I can't help it if I'm lucky

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      #3
      With a 3 gang box you will have plenty of room if there is just one 12/4 cable.
      Rob

      Moderator

      All responses based on the 2017 NEC unless otherwise noted

      Comment


        #4
        The PIA factor does not into play in deciding where and when to splice, it comes from dealing with instructions someone who is not there and has no idea what you are dealing with trying to tell you what to do.
        If Billy Idol is on your playlist go reevaluate your life.

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          #5
          Originally posted by infinity View Post
          With a 3 gang box you will have plenty of room if there is just one 12/4 cable.
          3 gang box? Talking about 3 receptacles a few feet apart. So 4x2-1/8 box for each recept.

          Sent from my SM-N960U using Tapatalk

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            #6
            Originally posted by mstrlucky74 View Post
            3 gang box? Talking about 3 receptacles a few feet apart. So 4x2-1/8 box for each recept.
            Well, cubic inches aren't the problem. With a plaster ring you've got more than 32 - 33 cubes and, by my count, you need 25.

            Are you pigtailing, or landing a lot of conductors on the device?
            Another Al in Minnesota

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              #7
              Originally posted by mstrlucky74 View Post
              3 gang box? Talking about 3 receptacles a few feet apart. So 4x2-1/8 box for each recept.
              Got it, but you did say "if you have 3 receptacles next to each other" which sounded like a 3-gang to me.
              Rob

              Moderator

              All responses based on the 2017 NEC unless otherwise noted

              Comment


                #8
                Is this 3 120 volt circuits from a 3 phase service?

                Sent from my RCT6213W22 using Tapatalk

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                  #9
                  Originally posted by rjniles View Post
                  Is this 3 120 volt circuits from a 3 phase service?

                  Sent from my RCT6213W22 using Tapatalk
                  Yes

                  Sent from my SM-N960U using Tapatalk

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                    #10
                    Originally posted by mstrlucky74 View Post
                    Is it a PIA to splice through 12/4 in device box? Case in point, if you have 3 receptacles next to each other all on separate ckt and allowed to share neutral and you pull a 12/4 to the first device.
                    That is how I would do it.
                    Rob

                    Moderator

                    All responses based on the 2017 NEC unless otherwise noted

                    Comment


                      #11
                      Use a 4'' square box for your first device with a 1-gang ring., and normal device box for your next two devices.

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