The simplest type of fluorescent lamp ballast, called a magnetic ballast, works like an inductor and generates a magnetic field when electric current is sent through a wire, according to HowStuffWorks. A basic inductor i... 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 » Home & Garden Home Maintenance Electrical

To install a fluorescent light ballast, remove the old ballast, secure the new one into place, and fuse the wires together to provide electricity to the fixture. You need a socket wrench, a nut driver, wire connectors, w... More » Home & Garden Home Maintenance Electrical

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 » Home & Garden Decor Lighting

Magnetic ballasts operate by passing current through a coil of wire to create an electromagnetic field, which is used to regulate the flow of current through a fluorescent lamp. Ballasts protect sensitive components from... More » Home & Garden Home Maintenance Electrical

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 »

Buying a new lampshade involves not just taking the measurements of the old lampshade but also noticing what type of fitting is used to connect the lampshade to the lamp. The new lampshade does not have to be an exact co... More » Home & Garden Decor Lighting