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Quality Digest


New Standard for Self-Ballasted Mercury Lamps

Published: Tuesday, August 7, 2007 - 22:00

(NEMA: Rosslyn, Virginia) -- The National Electrical Manufacturers Association, on behalf of the American National Standard Lighting Group, has published ANSI_ANSLG C78.45-2007, “American National Standard for Electric Lamps—Self-Ballasted Mercury Lamps.”

Part I of this standard covers general requirements and information. It provides normative references and offers brief explanations of the meaning or the application of some of the numerical data given on the individual lamp data sheets in Part II. It also provides requirements that are common to all self-ballasted mercury lamp types. Part II contains individual lamp data sheets that provide the specific physical and electrical requirements for each of the standardized self-ballasted mercury lamp types.

This revision incorporates, consolidates, and redesignates the following ANSI standards: C78.1340-1990, C78.1341-1990, C78.1342-1990, and C78.1380-1988. It sets forth the physical and electrical requirements for self-ballasted mercury lamps operated on 60 Hz supply lines to ensure interchangeability and safety. The data given also provide the lamp-related requirements for luminaires. Luminous flux and lamp color are not part of this standard.

For more information, visit www.nema.org/media/pr/20070801b.cfm.


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