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ANSI C82.9-2016
Lamp Ballasts - High-Intensity Discharge and Low-Pressure Sodium Lamps - Definitions
Provides definitions relative to specific terms contained in HID and LPS lamps and ballast standards. Covers the dimensional limits and other physical characteristics required to ensure the commonality, interchangeability and proper application of these lamps.
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NEMA: National Electrical Manufacturers Association [nema]