Fluorescent Ballast Types?

Answer Fluorescent lights use a combination of gases and reactive compounds to produce light. A current passes through the bulb between two electrodes, activating the gases inside and create a radiation p... Read More »

Top Q&A For: Fluorescent Ballast Types

How do you install a two lamp fluorescent ballast?

Answer for USA, Canada and countries using similar 60Hz mains supplies Now, I'm going to make some assumptions here and it will be up to you to determine if my assumptions are correct. I am assumi... Read More »

Is there mercury in the ballast of a fluorescent fixture?

Mercury is not used in the ballast of any type of fluorescent lamp. The ballast is a device used to control voltage. However, the lamp itself does require a small amount of mercury, often as little... Read More »

What does the ballast do in a fluorescent light?

In fluorescent lighting, ballasts jump-start the lamp and moderate how much current it receives, according to Rensselaer Polytechnic Institute. A fluorescent light without a ballast would simply ov... Read More »

How to Replace the Ballast in a Fluorescent Lighting Fixture?

All fluorescent light fixtures consist of at least lamp(s), lamp holders, ballast and internal wiring. Some older types have "starters", too. The ballast is used to create the voltage and current n... Read More »