If a buzzing sound is coming from the fixture or the bulbs begin flickering, it is time to examine the ballast. According to Cecilia Harsch, an author for Home Guides, there are many steps to testing fluorescent light ba... More »

To perform fluorescent ballast testing, turn off the power to the lights at the circuit breaker, remove the bulb and ballast cover, and use a multimeter to perform the test. If there is an issue, it is time to replace th... More »

www.reference.com Home & Garden Home Maintenance Electrical

To replace a fluorescent light ballast, take off the cover of the old ballast, cut out the wiring, unscrew the old ballast and attach the new ballast. Ballast replacement is a common solution to flickering or humming flu... More »

Finding the right ballast for a fluorescent light requires knowing the number and type of fluorescent bulbs in the fixture and the voltage the fixture uses. Using this information, the installer can select a ballast comp... More »

A 24-inch fluorescent light fixture is a common type of light fixture that measures 24 inches in length and uses fluorescent light tubes rather than standard incandescent bulbs. These fixtures can be purchased in most ho... More »

www.reference.com Home & Garden Decor Lighting

If fluorescent light ballasts have gone bad, they might become dim, buzz, change color or go through fast blinking cycles. All parts of the light should be inspected for default before replacement. A multimeter can be us... More »

Light ballasts work by illuminating bulb chambers filled with gas and regulating the current flow of the lamp. Ballast controls use either simple fixed resistors or more complex control systems. More »

www.reference.com Home & Garden Decor Lighting