Why is there a jumper wire between the hot screws on my outlet?



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enter image description here



If my picture messed up during resizing - it looks like a jumper wire between the two screws on the hot side of this outlet.










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    up vote
    4
    down vote

    favorite












    enter image description here



    If my picture messed up during resizing - it looks like a jumper wire between the two screws on the hot side of this outlet.










    share|improve this question

























      up vote
      4
      down vote

      favorite









      up vote
      4
      down vote

      favorite











      enter image description here



      If my picture messed up during resizing - it looks like a jumper wire between the two screws on the hot side of this outlet.










      share|improve this question















      enter image description here



      If my picture messed up during resizing - it looks like a jumper wire between the two screws on the hot side of this outlet.







      electrical receptacle






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      edited Nov 11 at 14:30









      isherwood

      43.5k453108




      43.5k453108










      asked Nov 10 at 22:14









      bee

      334




      334




















          2 Answers
          2






          active

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          up vote
          11
          down vote













          Someone broke the fin off, then had breaker's remorse



          A factory-new duplex receptacle has a copper "fin" connecting the two screws on each side -- breaking this fin off on the hot (brass) side is done when you want a half-switched receptacle outlet, for instance. It appears somebody broke the fin off at one point, then either the same person or a different person had regrets about the broken fin and replaced it with a jumper wire. So, leave the fin on your new receptacle, and all will be well.






          share|improve this answer



























            up vote
            4
            down vote













            It looks like the outlet was used at one time with that factory installed jumper removed. That would allow you to have two circuits serve each outlet on there. This is often done when you have lights that plug in, you would wire a switch to one outlet for the light, and the other one would still be usable for other things.



            I don't think it's legal to put a jumper back in there, typically you can only have one wire per screw terminal.@Makyen pointed out that in this case, the jumper is the only wire in the screw terminal, and the actual circuit wire goes into the push in terminal at the back, so that part of my answer does not apply here.






            share|improve this answer






















            • Thanks - I'm replacing the receptacle entirely. So should I just remove that and otherwise wire normally?
              – bee
              Nov 10 at 22:50










            • Yes. If you look at your new receptacle, you'll notice the factory installed jumper.
              – PhilippNagel
              Nov 10 at 23:48






            • 7




              @PhilippNagel In this instance, there is only one wire per screw terminal. The incoming hot wire appears to be using the back-stab connection at the rear of the outlet.
              – Makyen
              Nov 11 at 0:47






            • 1




              Ah @Makyen I missed that in the photo. Thanks for pointing it out!
              – PhilippNagel
              Nov 11 at 2:09






            • 2




              Backstabbing is the worst thing to do. I've had to pull and rewire every device in houses wired with backstabs.
              – BillWeckel
              Nov 11 at 14:51










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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes








            up vote
            11
            down vote













            Someone broke the fin off, then had breaker's remorse



            A factory-new duplex receptacle has a copper "fin" connecting the two screws on each side -- breaking this fin off on the hot (brass) side is done when you want a half-switched receptacle outlet, for instance. It appears somebody broke the fin off at one point, then either the same person or a different person had regrets about the broken fin and replaced it with a jumper wire. So, leave the fin on your new receptacle, and all will be well.






            share|improve this answer
























              up vote
              11
              down vote













              Someone broke the fin off, then had breaker's remorse



              A factory-new duplex receptacle has a copper "fin" connecting the two screws on each side -- breaking this fin off on the hot (brass) side is done when you want a half-switched receptacle outlet, for instance. It appears somebody broke the fin off at one point, then either the same person or a different person had regrets about the broken fin and replaced it with a jumper wire. So, leave the fin on your new receptacle, and all will be well.






              share|improve this answer






















                up vote
                11
                down vote










                up vote
                11
                down vote









                Someone broke the fin off, then had breaker's remorse



                A factory-new duplex receptacle has a copper "fin" connecting the two screws on each side -- breaking this fin off on the hot (brass) side is done when you want a half-switched receptacle outlet, for instance. It appears somebody broke the fin off at one point, then either the same person or a different person had regrets about the broken fin and replaced it with a jumper wire. So, leave the fin on your new receptacle, and all will be well.






                share|improve this answer












                Someone broke the fin off, then had breaker's remorse



                A factory-new duplex receptacle has a copper "fin" connecting the two screws on each side -- breaking this fin off on the hot (brass) side is done when you want a half-switched receptacle outlet, for instance. It appears somebody broke the fin off at one point, then either the same person or a different person had regrets about the broken fin and replaced it with a jumper wire. So, leave the fin on your new receptacle, and all will be well.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 10 at 23:01









                ThreePhaseEel

                28.9k104488




                28.9k104488






















                    up vote
                    4
                    down vote













                    It looks like the outlet was used at one time with that factory installed jumper removed. That would allow you to have two circuits serve each outlet on there. This is often done when you have lights that plug in, you would wire a switch to one outlet for the light, and the other one would still be usable for other things.



                    I don't think it's legal to put a jumper back in there, typically you can only have one wire per screw terminal.@Makyen pointed out that in this case, the jumper is the only wire in the screw terminal, and the actual circuit wire goes into the push in terminal at the back, so that part of my answer does not apply here.






                    share|improve this answer






















                    • Thanks - I'm replacing the receptacle entirely. So should I just remove that and otherwise wire normally?
                      – bee
                      Nov 10 at 22:50










                    • Yes. If you look at your new receptacle, you'll notice the factory installed jumper.
                      – PhilippNagel
                      Nov 10 at 23:48






                    • 7




                      @PhilippNagel In this instance, there is only one wire per screw terminal. The incoming hot wire appears to be using the back-stab connection at the rear of the outlet.
                      – Makyen
                      Nov 11 at 0:47






                    • 1




                      Ah @Makyen I missed that in the photo. Thanks for pointing it out!
                      – PhilippNagel
                      Nov 11 at 2:09






                    • 2




                      Backstabbing is the worst thing to do. I've had to pull and rewire every device in houses wired with backstabs.
                      – BillWeckel
                      Nov 11 at 14:51














                    up vote
                    4
                    down vote













                    It looks like the outlet was used at one time with that factory installed jumper removed. That would allow you to have two circuits serve each outlet on there. This is often done when you have lights that plug in, you would wire a switch to one outlet for the light, and the other one would still be usable for other things.



                    I don't think it's legal to put a jumper back in there, typically you can only have one wire per screw terminal.@Makyen pointed out that in this case, the jumper is the only wire in the screw terminal, and the actual circuit wire goes into the push in terminal at the back, so that part of my answer does not apply here.






                    share|improve this answer






















                    • Thanks - I'm replacing the receptacle entirely. So should I just remove that and otherwise wire normally?
                      – bee
                      Nov 10 at 22:50










                    • Yes. If you look at your new receptacle, you'll notice the factory installed jumper.
                      – PhilippNagel
                      Nov 10 at 23:48






                    • 7




                      @PhilippNagel In this instance, there is only one wire per screw terminal. The incoming hot wire appears to be using the back-stab connection at the rear of the outlet.
                      – Makyen
                      Nov 11 at 0:47






                    • 1




                      Ah @Makyen I missed that in the photo. Thanks for pointing it out!
                      – PhilippNagel
                      Nov 11 at 2:09






                    • 2




                      Backstabbing is the worst thing to do. I've had to pull and rewire every device in houses wired with backstabs.
                      – BillWeckel
                      Nov 11 at 14:51












                    up vote
                    4
                    down vote










                    up vote
                    4
                    down vote









                    It looks like the outlet was used at one time with that factory installed jumper removed. That would allow you to have two circuits serve each outlet on there. This is often done when you have lights that plug in, you would wire a switch to one outlet for the light, and the other one would still be usable for other things.



                    I don't think it's legal to put a jumper back in there, typically you can only have one wire per screw terminal.@Makyen pointed out that in this case, the jumper is the only wire in the screw terminal, and the actual circuit wire goes into the push in terminal at the back, so that part of my answer does not apply here.






                    share|improve this answer














                    It looks like the outlet was used at one time with that factory installed jumper removed. That would allow you to have two circuits serve each outlet on there. This is often done when you have lights that plug in, you would wire a switch to one outlet for the light, and the other one would still be usable for other things.



                    I don't think it's legal to put a jumper back in there, typically you can only have one wire per screw terminal.@Makyen pointed out that in this case, the jumper is the only wire in the screw terminal, and the actual circuit wire goes into the push in terminal at the back, so that part of my answer does not apply here.







                    share|improve this answer














                    share|improve this answer



                    share|improve this answer








                    edited Nov 11 at 14:15

























                    answered Nov 10 at 22:47









                    PhilippNagel

                    1586




                    1586











                    • Thanks - I'm replacing the receptacle entirely. So should I just remove that and otherwise wire normally?
                      – bee
                      Nov 10 at 22:50










                    • Yes. If you look at your new receptacle, you'll notice the factory installed jumper.
                      – PhilippNagel
                      Nov 10 at 23:48






                    • 7




                      @PhilippNagel In this instance, there is only one wire per screw terminal. The incoming hot wire appears to be using the back-stab connection at the rear of the outlet.
                      – Makyen
                      Nov 11 at 0:47






                    • 1




                      Ah @Makyen I missed that in the photo. Thanks for pointing it out!
                      – PhilippNagel
                      Nov 11 at 2:09






                    • 2




                      Backstabbing is the worst thing to do. I've had to pull and rewire every device in houses wired with backstabs.
                      – BillWeckel
                      Nov 11 at 14:51
















                    • Thanks - I'm replacing the receptacle entirely. So should I just remove that and otherwise wire normally?
                      – bee
                      Nov 10 at 22:50










                    • Yes. If you look at your new receptacle, you'll notice the factory installed jumper.
                      – PhilippNagel
                      Nov 10 at 23:48






                    • 7




                      @PhilippNagel In this instance, there is only one wire per screw terminal. The incoming hot wire appears to be using the back-stab connection at the rear of the outlet.
                      – Makyen
                      Nov 11 at 0:47






                    • 1




                      Ah @Makyen I missed that in the photo. Thanks for pointing it out!
                      – PhilippNagel
                      Nov 11 at 2:09






                    • 2




                      Backstabbing is the worst thing to do. I've had to pull and rewire every device in houses wired with backstabs.
                      – BillWeckel
                      Nov 11 at 14:51















                    Thanks - I'm replacing the receptacle entirely. So should I just remove that and otherwise wire normally?
                    – bee
                    Nov 10 at 22:50




                    Thanks - I'm replacing the receptacle entirely. So should I just remove that and otherwise wire normally?
                    – bee
                    Nov 10 at 22:50












                    Yes. If you look at your new receptacle, you'll notice the factory installed jumper.
                    – PhilippNagel
                    Nov 10 at 23:48




                    Yes. If you look at your new receptacle, you'll notice the factory installed jumper.
                    – PhilippNagel
                    Nov 10 at 23:48




                    7




                    7




                    @PhilippNagel In this instance, there is only one wire per screw terminal. The incoming hot wire appears to be using the back-stab connection at the rear of the outlet.
                    – Makyen
                    Nov 11 at 0:47




                    @PhilippNagel In this instance, there is only one wire per screw terminal. The incoming hot wire appears to be using the back-stab connection at the rear of the outlet.
                    – Makyen
                    Nov 11 at 0:47




                    1




                    1




                    Ah @Makyen I missed that in the photo. Thanks for pointing it out!
                    – PhilippNagel
                    Nov 11 at 2:09




                    Ah @Makyen I missed that in the photo. Thanks for pointing it out!
                    – PhilippNagel
                    Nov 11 at 2:09




                    2




                    2




                    Backstabbing is the worst thing to do. I've had to pull and rewire every device in houses wired with backstabs.
                    – BillWeckel
                    Nov 11 at 14:51




                    Backstabbing is the worst thing to do. I've had to pull and rewire every device in houses wired with backstabs.
                    – BillWeckel
                    Nov 11 at 14:51

















                     

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