# What voltage does a fluorescent ballast output?

## What voltage does a fluorescent ballast output?

120 to 277 volts
Many fluorescent ballasts are now universal voltage, meaning they can be run on line voltage from 120 to 277 volts. For international or industrial use, 347-480V ballasts are available.

## How many volts is a fluorescent light normally?

“Fluorescent tubes and electroluminescent panels typically require 200 to 600 V for starting and running illumination.” A fluorescent light is a type of gas discharge tube, which contains an inert gas (such as argon, neon, or krypton) and mercury vapor.

What is the output voltage of a t8 ballast?

These ballasts deliver >550 open circuit volts when starting lamps and operate lamps at high frequencies which offers flicker-free operation and better lamp efficiencies.

How many volts does a T12 ballast put out?

It can be used for many 1 and 2 tube T12 fluorescent tubes. This ballast takes a line voltage of 120 volts and converts it to the proper operating voltage for the lamps.

### How do I test a fluorescent ballast with a multimeter?

To measure it, set your digital multimeter to around a thousand ohms resistance setting. Connect the black leads to the white ground wire on your ballast. Afterward, test every other wire with the red lead. When you do this test, a good ballast will return an “open-loop” or max resistance.

### What should you use to check the voltage in the ballast?

Test the ballast’s voltage with a multimeter. Attach the multimeter’s leads to the sockets at the ends of the ballast. If the reading is not between five and nine volts, replace the ballast. Adjust the multimeter to measure frequency and replace the ballast if the reading is not between 20 and 50 kilohertz.

How do you check a ballast with a digital multimeter?

What is the output voltage of an electronic ballast?

This unit operates off the AC mains with a voltage of 230 Volts and voltages generated within the unit can reach 600 to 800 Volts.

#### How do you know if a ballast is bad on a multimeter?

One probe of the multimeter should touch the hot wire connections, while the other touches the neutral wire connections. If the ballast is good, an analog multimeter has a needle that will sweep to the right across the measuring scale. If the ballast is bad, then the needle won’t move.