What's wrong if you have a new ballast in your fluorescent light but it does not have yellow wires and everything else is connected but the light doesn't work?

Answer (LIFE SAFETY WARNING! [disclaimer] Electricity is dangerous! You can be injured or killed! Improper installations can cause fire, injury and death! Should you be doing this yourself?) This is ... Read More »

Top Q&A For: What's wrong if you have a new ballast in your ...

What voltage is needed for a fluorescent light ballast to work?

According to Light Corp, the voltage for a fluorescent light ballast, also known as a fluorescent lamp ballast, to work can be about 4 volts and 200 volts or higher. For example, a fluorescent lamp... 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 »

What is wrong when a fluorescent light does not work?

Many offices and home workshops use fluorescent lights. They are more efficient than incandescent lights, and they provide plenty of light---until something goes wrong, that is. And unfortunately, ... 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 »