NEMA - ANSI C78.40
Electric Lamps - Specifications for Mercury Lamps
|Publication Date:||1 January 2016|
This standard sets forth the physical and electrical requirements for single-ended metal halide lamps operated on 60 Hz ballasts to ensure interchangeability and safety. The data given also provides the basis for the electrical requirements for ballasts as well as the lamp-related requirements for luminaires. Luminous flux and lamp color are not part of this standard.