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Ballast is a device used in fluorescent lighting fixtures to regulate the electric current flowing through the light tube. It helps to stabilize the electrical current and control the voltage to ensure the proper operation of the light, including starting and maintaining its brightness. Without a ballast, the tube light would not function correctly.

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Q: What is ballast in tube light?
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Related questions

Can T8 LED tube light be used with ballast and can ballast be removed and will it work?

A T8 LED tube has to be used with a ballast to bring the correct voltage to the tube for it to operate correctly. Removing the ballast from the circuit will prevent the tube from operating.


Does a tube light glow without starter?

yes..if we replace magnetic ballast with electronic ballast...there is no need of starter if we use electronic ballast.


Why tube-light makes sound?

Due to the problems in the ballast.Replace the ballast.


Does a ballast use electricity if no bulbs are present?

If you mean the ballast in a fluorescent light fitting where the ballast is wired in series with the tube, the answer is "No". Explanation: If no tube is in place, the light fitting's circuit is "open" so there is nothing to take any current from the "hot" supply wire and return it to the "neutral" wire.


Why won't the center of a fluorescent tube light if the ends are still glowing?

you need to replace a ballast


What does a ballast do in a fluoresent bulb?

reactor ballast


Where is Fluorescent light wiring diagram?

Fluorescent light fixtures typically have a wiring diagram on the label or inside the fixture. The diagram will show how to connect the wires for the ballast and the tube sockets. It's important to follow the wiring diagram carefully to ensure the correct installation and function of the light fixture.


What size ballast do you use for a 4 foot tube?

When the ballast is to be purchased, look at the schematic that is on the label of the ballast. There it will tell you which ballast is good for which lamps and also let you know what length of tube the ballast is good for. Most of the new electronic ballasts allow for multiple connections of different size lamps.


Is a T8 ballast and T8 bulb more efficient then a T12 ballast and a T8 bulb?

A T8 ballast and T8 bulb are more efficient than a T12 ballast and T8 bulb combination. T8 bulbs use less energy and are more efficient than T12 bulbs, so pairing them with a T8 ballast will result in overall energy savings.


How much voltage required for tube light?

A typical fluorescent tube light requires a voltage of around 100-120 volts to operate. This voltage is provided by the ballast, which helps regulate and control the electrical current flowing through the light tube. It is important to ensure that the voltage supplied to the tube light matches its requirements to prevent damage and ensure proper functioning.


Why does a circular fluorescent light bulb not light up fully?

A circular fluorescent light bulb may not light up fully due to issues such as a faulty ballast, aging tube, or poor connection with the socket. These factors can lead to insufficient power reaching the bulb, causing it to not reach its full brightness.


Does a fluorescent light fitting with 4 x T8 2' 18W tubes and a 48W ballast use all 120W when running?

No, the total power consumption of the fluorescent light fitting will be 120W, including the 4 tubes and the ballast. The ballast itself consumes some power to regulate the current to the tubes, so not all 120W will be used solely by the tubes.