AMPERE: The standard unit of measurement for electric current that is equal to one coulomb per second. It defines the quantity of electrons moving past a given point in a circuit during a specific period. Amp is an abbreviation. |
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ANSI: Abbreviation for American National Standards Institute. |
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ARC TUBE: A tube enclosed by the outer glass envelope of a HID lamp and made of clear quartz or ceramic that contains the arc stream. |
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ASHRAE: American Society of Heating, Refrigerating and Air-Conditioning Engineers |
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