Removing ballast cover on fluorescent fixture

Hi! I'm at my whits end with this one so here goes... I'm currently installing recessed fluorescent T8 2-lamp fixtures in my garage, one of which I want to have powered by a Leviton PR180 occupancy sensor. After my initial installation attempt, the fixture flickered and it was then that I...

I have two fluorescent fixtures that are exactly the same in my kitchen. They both went out the same day - I don't know if it was exactly the same moment or not. On one of them, I noticed a tube was black on one side. I replaced the tube and that fixture works fine now. New tubes did not fix...

I have a problem my friend has a fluorescent light fixture when he turn on the lights they stay bright for a while and then they go dim. This is what I did so far I change the Ballast light clips and the blubs but I am still having the same problem. Is there anything I might be over looking ...

I have a fluorescent over head fixture that doesn't work properly. It takes a long long time to start (like 10 minutes, sometimes). However if I fiddle with the lamps it will start up, and if I have it on for a while, I can turn it off and immediately back on. I don't know if the fixture is bad or...

I have a fluorescent ceiling fixture with two circular lamps and two separate ballasts. One of the lamps is not longer lighting. Is there any way to determine which element (lamp or ballast) is defective? I have used a continuity tester to check out incandescent lamps but am not sure how to do...