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

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

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 »

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

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 »

Halogen light bulbs are incandescent lamps containing a halogen gas instead of an inert gas in the bulb. Halogen bulbs are more efficient, give higher quality lighting and have a longer rated life compared to ordinary in... More »

According to Union College, an incandescent light bulb operates by acting as the load in an electric circuit. The glass bulb contains a wire which heats up with electrical current, and the heat causes the wire to glow wh... More »