Q: My home is about 20 years old. My problem is with the lights in the kitchen. Sometimes they work and sometimes they don’t. When I turn on the switch, the light flickers or just partially lights. I ...

Q: As I was changing the fluorescent light tube in my ceiling fixture, I rotated the bulb to get it out and I heard a “snap” and saw things falling from the fixture. I cringed and waited for the pain.

Last week I was sitting here at the office/loft/shop/warehouse/lab/consulting-place megaplex and the 8-foot fluorescent light flashed five times, then went back on ...