You cannot mix fluorescent fixtures and incandescent fixtures on the same dimmer switch.
T8 fluorescent light not working.
Aside from a burnt tube other factors such as a worn starter and loose or oxidized electrical contacts can contribute to a fluorescent light not working properly.
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.
A burnt out lamp is the most common reason any light fixture does not light.
One clue that your ballast is the reason for a non working fluorescent light is the light bulbs struggle to turn on.
I have 3 different ballasts and none of them work with the led tubes.
Diagnosing which problem you have and how best to tackle it is a fairly simple job that you can do on your own.
Like other lighting fixtures fluorescent light fixtures sometimes work improperly.
Also these dimmers will not work for incandescent fixtures.
How to troubleshoot fluorescent light fixtures.
I got these t8 size led light tubes to replace fluorescent tubes.
As i said in the intro we noticed this happening over a 3 4 week period.
The no part of this question is that the conventional dimmer switches you can purchase at the hardware store are designed for incandescent lighting only not fluorescent lighting.
The new t8 led tubes are not working on my ballasts.
A fluorescent tube that is failed or failing usually has darkened areas near one or both ends of the tube.
Fluorescent lights are commonly used because of their low operating cost.