Is there mercury in the ballast of a fluorescent fixture?

Answer 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 »

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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 »

How long does a ballast in a fluorescent light fixture work?

A typical fluorescent light ballast has a life expectancy of 50,000 hours under normal conditions. High temperatures, switching frequency, wattage, type of light fixture and ballast all affect ball... Read More »

Fluorescent Ballast Types?

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 »

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 »