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"The information on this website is meant to provide a general overview of the tax provisions for the interim rules of lighting systems listed in the Energy Policy Act of 2005. In all cases the services of a professional tax accountant should be retained to determine the specific tax treatment appropriate for your company. Requirements for lighting levels and controls, in accordance with EPAct 2005, must also be satisfied for eligibility. Rexel will not, in any way, accept any liability for decisions made based on the contents of this preliminary explanation."

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Kilohertz (KHz)
One thousand Hertz (cycles per second).

Kilowatt (kW)
The measure of electrical power equal to 1000 watts.

Kilowatt Hour (kWh)
The standard measure of electrical energy and the typical billing unit used by electrical utilities for electricity use. A 100-watt lamp operated for 10 hours consumes 1000 watt-hours (100 x 10) or one kilowatt-hour. If the utility charges $.10/kWh, then the electricity cost for the 10 hours of operation would be 10 cents (1 x $.10)

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