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ANSI C82.1 4th Edition, January 1, 2004
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Lamp Ballasts — Line Frequency Fluorescent Lamp Ballasts
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ANSI/NEMA MW 1000, 2014
This standard is intended to cover ballasts which have rated open-circuit voltages of 2000 volts1 or less and are intended to operate lamps at a frequency of 50 Hz or 60 Hz.2 This comprises ballasts for hot-cathode fluorescent lamps, either switch-start (preheat-start), rapid-start (continuously heated cathodes), modified rapid start (cathode cutout), or instant-start, and also ballasts for cold-cathode fluorescent lamps, used primarily for lighting purposes, which come within this voltage range. The ballast and lamp combinations covered by this specification normally are intended for use in room ambient temperatures of 10ºC to 40ºC. At ambient temperatures outside this range, certain special operating characteristics may be required.