Most NM electrical clamps specifically list the wire combinations they allow, but others such as halex 90515 simply list a bundle diameter range (.835"-1.520")

Does that mean that I can use as many wires as I like provided they sum to within that range?


I would not interpret the catalog page that way.

APPLICATION: Used to connect non-metallic sheathed cable to a steel outlet box or othermetal enclosure. Dry location.

Fits NM cable, flex cords, multi-flex cords; fitting range .835 - 1.520” diameter or SE cable 2 conductor 4/0

That connector is made for a single cable. There are small connectors that can be used to secure one or two 14-2 or 12-2 cables, and some specialty connectors that are made for more small cables, but these larger clamps are for a single large cable.

  • You think it's made to support a single 1.5" NM cable? – Matthew Feb 27 '19 at 14:48
  • Yes. These connectors are very very common and have been around forever. If it was code compliant to stuff a bundle of NM cables in a connector like this it would be very popular and people wouldn't bother with those single cable connectors, but that's not the case. – batsplatsterson Feb 27 '19 at 20:57

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.