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 ...

Unplug the fixture or turn off the power at the main panel. Remove the diffuser (cover), then carefully remove the fluorescent bulbs or tubes. Remove the fluorescent ballast compartment cover to ...

Fluorescent light fixtures are more efficient and cheaper to run than incandescent. But some fluorescent fixtures buzz or hum, and they take a long time to start when temperatures fall much below ...