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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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American National Standards Institute (ANSI)
A consensus-based organization which coordinates voluntary standards for the physical, electrical and performance characteristics of lamps, ballasts, luminaires and other lighting and electrical equipment.

AC (Alternating Current)
Current that passes from the generator in one direction and then the other, alternately.

Ambient sound levels
Background noise generated by electrical and mechanical equipment operating in a building. Low ambient sound levels are desirable for hospitals, libraries and similar applications where high noise levels are unacceptable.

Ambient Temperature
The temperature of the atmosphere of surrounding environment.

Amperes ("Amps")
("Amps.") A measure of electrical current. In incandescent lamps, the current is related to voltage and power as follows: Current (Amps) = Power (Watts) / Voltage (Volts).

ANSI (American National Standards Institute)
Group that generates product performance standards for many U.S. industries.

ANSI Watts
Measurement of electrical power used by the ballast and lamps when tested per ANSI standards.

Anti-Arc Circuit
Circuitry used to restart the lamps without resetting the power to the ballast.

Anti-Striation Circuit
Circuitry used to prevent striations or spiraling in energy saving lamps due to low temperature or low current operation.

Arc (Lamp)
Intense luminous discharge formed by the passage of electric current across a space between electrodes.

Arcing of output leads
Generation of an electrical arc between output leads of a ballast or output leads to ground.

ASHRAE
The American Society of Heating, Refrigeration and Air-Conditioning Engineers is the premier society for engineers and others who work in this complex and evolving field. The technical expertise of ASHRAE members positions it as a highly credible source of research, standards, publications, education, and other products.

Asphalt silica sand mixture
A mixture of asphalt and silica sand used to fill the cases of electromagnetic and electronic ballasts to dampen sound, protect from moisture, improve heat removal and increase reliability.

Auto-Restrike
Circuitry used to restart the lamps without resetting the power to the ballast.

Autotransformer
A tapped winding transformer that changes the voltage available locally to the voltage required by a particular load.

5-Tap
An HID ballast that allows for a choice of five different input voltages.

AllnGaP
The preferred LED (Light Emitting Diode) chip technology containing Aluminum, Indium, Gallium, and Phosphorous to produce red, orange and amber-colors.

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