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Environment FAQ's

What are PCBs?

Polychlorinated biphenyls, or PCBs, are a group of industrial chemicals that were widely used before 1979 as insulators in electrical equipment. Use and disposal of PCBs is federally regulated by the Environmental Protection Agency (EPA) under the Toxic Substances and Control Act (TSCA).

 

How can I tell if a ballast manufactured by FUTEK contains PCBs?

All high-power-factor fluorescent lamp ballasts manufactured by FUTEK Lighting do not contain PCBs. Bal

 

Is it more energy-efficient to turn a lamp off or leave it on?

The question of "turn them off or let them burn" is a common one in lighting. Since there is no surge involved in the starting of any residential bulb, the answer is "if you are not using them, turn them off." The cost of operating a light bulb is the wattage consumed while lighted thus the general answer is to turn them off.
High intensity discharge lamps (rarely found in indoor household applications) and fluorescent lamps have different operating needs. If you have a fluorescent lamp, the general rule is to turn the lamp off unless you are going to need it again within fifteen minutes. Frequent cycling, turning on and off for short periods of time such as in a closet application, can reduce the life of a fluorescent lamp.