In part 1 we discussed rectifying the ballast AC current to DC and we showed an open load protection circuit. Direct replacement of fluorescent tubes with LED assemblies can lead to uneven lighting.

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 ...

Q: I have two overhead fluorescent light fixtures – one in the kitchen ceiling and one in the laundry room – that are not working properly. After the switch has been turned on, the light bulbs may ...

With the rapid development of high brightness LEDs, SSL (Solid State Lighting) is no longer a niche market. In commercial buildings and department stores LED fixtures are chosen over fluorescents ...