Unplug the fixture or turn off the power at the main panel. Remove the diffuser (cover), then carefully remove the ...

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 ULTim8 Programmed Start Series of T8 linear fluorescent ballasts features parallel lamp operation and start times of less than 700 msec, according to the company. Part of the NEMA Premium ...

Electronic ballasts used in fluorescent lighting systems can experience high failure rates, due to the fact that the ballast manufacturer may not have considered all failure mechanisms or provided ...

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 ...

An electronic ballast, in simplistic terms, takes a mains supply and transforms the energy to a storage capacitor, which in turn powers a half bridge to provide frequency-controlled power for a ...

Electronic ballasts for fluorescent lighting deliver high efficiency and long lamp lifetimes. A new and simplified control circuit demonstrates complete control of the ballast, including all necessary ...

In September 2000, the U.S. Department of Energy (DOE) amended the existing conservation standards for fluorescent lamp ballasts when it published standard 10 CFR Part 430, Energy Conservation Program ...