What does a ballast do for LED lights?

Can all LED tubes work without a ballast?

If the LED tube is not compatible with your ballast, you would then need to replace your ballast in addition to the T8 LED tube. … The T8 LED tube won’t work without the ballast, so you are forced to continue buying and replacing ballasts as long as you have an LED tube that is ONLY ballast dependent.

What’s the purpose of a ballast?

ballast – A device required by electric-discharge light sources such as fluorescent or HID lamps to regulate voltage and current supplied to the lamp during start and throughout operation.

Why do light ballasts fail?

Causes of Ballast Failure

Premature ballast failure is often caused by the surrounding environment. … When it’s too hot or too cold, the ballast can burn or fail to start your lamps at all. Heat combined with prolonged condensation inside an electronic ballast can cause corrosion.

Is an LED driver the same as a ballast?

LED drivers (also known as LED power supplies) are similar to ballasts for fluorescent lamps or transformers for low- voltage bulbs: they provide LEDs with the electricity they require to function and perform at their best. … LED drivers also protect LEDs from voltage or current fluctuations.

Can you replace 4 foot fluorescent bulb with LED?

Yes, you can replace fluorescent tubes with LED tubes or LED integrated fixtures. … As long as the bulb is compatible with the existing fluorescent ballast in the fixture, you simply remove the fluorescent and replace it with the LED tube light.

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Can you mix LED and fluorescent tubes?

The fact you have a CFL lamp on the same branch circuit as a LED light should have no impact on the service life of the LED light.