When I first got started in this crazy world of electrical work I was taught a lesson on ballasts when i was grabbed by the outter case of a leaking 277v ballast 30' in the air I was lucky the other guy was able to remove me from it with his foot! Not sure if it was 277 or higher all I know is I was done for the day and that was 8am
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Originally posted by handy10 View PostDoes working hot include changing a ballast for 120 V fluorescent lights which are in an office so large that it is a major inconvenience to to turn them off? I wire in a disconnect for an individual light when I have too work in such a situation. Is this practice so dangerous that most of you would not do it?
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Handy10
15-20 years ago I was changing 277v ballasts hot when I went to put that little hot wire like #16 or #18 into a Motorola ballast and missed the hole and hit the case. I thought I was blinded, the glass of my glasses not plastic had a glob of copper melted into the lens. Went to the doctor and I had welders eye, felt like a shovel full of sand in my eyes. If I didn't have my glasses on that glob of molten copper would have been in my new dead eye.
I don't change them hot any more! By the way I'm a master and was one 5 years before that happened plus I.B.E.W.
soo I should know better; but everyone was doing it hot back then. We started that night to turn stuff off.
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