Last night I installed a flourescent lamp in my dining room. The fixture bore a warning tag calling for nm-b. My older house was wired with just nm. Wanting to do things correctly, I put a new junction box off to the side, ran the old nm into that, and ran nm-b from there into the original box holding the fixture.
But what a PITA! Because of the way the house is wired, I was forced to cut not one, but two holes in my ceiling. I had to put a junction box on either side of the new fixture. I spent a lot of time trying to cut the holes in perfect alignment with each other and the old box, but I didn't quite make it (came close though).
Is it really worth all the bother? I must say, I have three more of these fixtures to install, and I'm sorely tempted to just ignore that warning label and slap them into the old ceiling boxes that use just nm (no -b).
I sure hope I did not spend hours last night only because of some tiny, theoretical risk that really isn't worth worrying about.
Well, I won't really "cheat" on the other fixtures. I just need to vent a bit. What I might do is to look around for a fixture that does not require nm-b, if such things exist these days.
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