The following will help you discover the problem with your light fixture ballast.
Fluorescent light ballast problems.
One clue that your ballast is the reason for a non working fluorescent light is the light bulbs struggle to turn on.
The ballast provides enough voltage to start the fluorescent bulbs and once they are started it quickly lowers the current to produce just enough electricity to produce a steady light source.
A good way to check that your ballast is the culprit is to turn on a voltage detector and hold it next to the wires supplying power to the ballast.
The most common problems with fluorescent light ballast and how to fix them.
As i said in the intro we noticed this happening over a 3 4 week period.
Fluorescent light fixtures are commonplace in both residential and commercial settings.
Take notice of the type of lamps that are installed in the light fixture and information on the ballast pertaining to the lamp types.
Troubleshooting the ballast of a fluorescent light is a fairly basic test.