Several types are available. Compact fluorescent lamps that detach from the ballast reduce labor costs since the ballast does not need to be discarded when the lamp burns out. Direct-wire ballast adapters are also available. When the lamps burn out, the ballast must also be replaced. The following table shows a few incandescent lamps and the suggested fluorescent replacements.
Fluorescent wattage includes both lamp and ballast wattage.
In extremely shallow downlights, the fluorescent lamps may project beyond the fixture cone, creating an objectionable appearance. 0Although fluorescent lamps initially cost more, they use less energy and last longer. Therefore, energy costs, and labor costs for lamp replacement are reduced. Fluorescent Facts Buying fluorescents in volume offers even greater savings. Fluorescents can reduce your cooling costs, since they emit less heat.