Can I install a light fixture without a junction box?
If you’re wondering how you install a light fixture without an electrical box, the short answer is that you don’t. You can‘t install a light fixture without a junction box, but the fact that there’s no box at the spot where you want to install the light doesn’t mean you can‘t install the light.
What do you do if you don’t have a junction box?
If you’re adding a new device or replacing an old device that doesn’t need a junction box, don’t forget to secure the incoming cable with a cable clamp. Some devices do not have clamps, but the wire connection box will have a knockout hole that you can open up and fit with the proper metal or plastic cable clamp.
Does a vanity light need a box?
It’s okay to install a light fixture without a box but all of the connections have to be made within the light fixture, you can‘t have wire nuts in the wall. If, and only if, the fixture is listed for use as a junction box.