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Paul
Lv 6
Paul asked in Home & GardenDo It Yourself (DIY) · 5 years ago

Cable Clamps Missing?

In my attic there are several metal junction boxes and I notice that none of them have cable clamps on the cables to protect the Romex. Anything I can do short of disassembling every box and adding the standard cable clamps?

Update:

How about this product from Amazon

https://www.amazon.com/Arlington-NM94-25-Button-Co...

Would it be up to code?

5 Answers

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  • dtstellwagen
    Lv 7
    5 years ago
    Favorite Answer

    Those are acceptable, I have used those, no problem.

    They are acceptable by code because they are "listed" by UL for NM, see page C-8.

    Source(s): https://www.reynoldsonline.com/ASSETS/DOCUMENTS/IT...
  • Jim W
    Lv 7
    5 years ago

    Some of the older metal boxes had internal cable clamps that are only visible when the cover is removed. I would look there first before I purchased cable clamps to install if they are not needed.

  • STEVEN F
    Lv 7
    5 years ago

    You can NOT pull on the cables. The clamps DON'T protect the Romex. They protect the CONNECTIONS inside the box from being pulled apart.

    Note: 'Standard cable clamps' can be added WITHOUT disassembling the boxes.

  • Paul
    Lv 6
    5 years ago

    Thanks Steven F - Will give them a try. A few people on Amazon say they can be installed after the wiring is done.

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  • roger
    Lv 7
    5 years ago

    you can get two part clamps.

    https://www.google.com/search?q=two+part+cable+cla...

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