The electrician who walks around the office all day with a cart full of bulbs may be eager to try out Milwaukee Electric Tool Corp.'s new fluorescent-lighting tester, which combines bulb and ballast ...

Fluorescent lights are more efficient than incandescent ones, but also more complicated. As a result, simply replacing the bulb-actually a tube-when a fluorescent light develops problems will not ...

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 ...