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Thread: Receptacle question

  1. #1
    DIY Senior Member Nate R's Avatar
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    Default Receptacle question

    Any reason I should use the screws instead of the push in connector on a receptacle? Why?

  2. #2
    Jack of all trades frenchie's Avatar
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    There's not a simple answer to that one, instead there's... a big can of worms.

    Dig in:

    http://www.terrylove.com/forums/showthread.php?t=13968

    the threads I linked, in my response on that thread, are especially tasty.
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    In the Trades Bob NH's Avatar
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    Only if reliability is important.

    I have repaired a few connections where the sharp device that captures the wire created a nick in wire, which subsequently broke at that point. Since then I have always used the screw terminals if they are available.

    On the other hand, I have some Square D QO tandem breakers from 1965 with push-in terminals that have served more than 40 years without any problems. There is no screw terminal on those breakers so there was no alternative to the push-in terminals.

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    I&C Engineer (mostly WWTP) Lakee911's Avatar
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    They tend to come out or create loose connections. The good receptacles allow you to insert the wire in the hole and then as you tighten the screw it clamps down inside--not just spring fit. Get that kind of take the extra minute to wrap them around the screw.

    Jason

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    Aspiring Old Fart, EE, computer & networking geek Mikey's Avatar
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    Quote Originally Posted by Nate R View Post
    Any reason I should use the screws instead of the push in connector on a receptacle? Why?
    If you ever need to take the receptacle out you'll be glad you didn't use the back-stab. Also, the spec-grade back-stab receptacles I've seen don't allow #12 wire to be stabbed. I agree with Lakee911 -- the best are the back-wired ones that allow you to push the wire in directly, but use the screw to secure it.

  6. #6

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    Quote Originally Posted by Nate R View Post
    Any reason I should use the screws instead of the push in connector on a receptacle? Why?


    Yes.

    More surfuce area is contacted with this method.

  7. #7
    DIY Senior Member Nate R's Avatar
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    OK, points taken. Was replacing a broken light fixture with another one that will only be there temporarily, and the new one had both the slots and screws, so it hit me to ask here about it. I've always used the screws in the past.

  8. #8
    Computer Programmer Bill Arden's Avatar
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    I like the "back Clamp" type better.
    You strip the wire, insert it and tighten the screw.

    Pros
    reliability
    Ease of use

    Cons
    receptacle cost
    Important note Ė I donít know man made laws, just laws of physics
    Disclaimer: I'm a big fan of Darwin awards.

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