April 8, 2008 - Rosslyn VA: The National Electrical Manufacturers Association (NEMA) Lighting Systems Division has published two papers that address lighting issues.
LSD 37-2008 Effects of EPAct 2005 on Mercury Vapor Lamp Ballasts and Lighting Systems: Frequently Asked Questions is a summary of the implications of the EPAct of 2005 on the availability of mercury vapor (MV) lamp ballasts. As of January 1, 2008, MV lamp ballasts are no longer manufactured or imported for sale in the United States. Existing inventories may be sold, but no more will be available after depletion of existing stock.
LSD 43-2008 Luminaire Ballast Disconnects is a brief discussion of recent U.S. and Canadian electrical code changes requiring disconnects between certain luminaires and ballasts as well as the effects to industry as a result of this change.
LSD 37-2008 Effects of EPAct 2005 on Mercury Vapor Lamp Ballasts and Lighting Systems: Frequently Asked Questions may be downloaded at no charge by visiting NEMA’s website. LSD 43-2008 Luminaire Ballast Disconnects may be downloaded at no charge by visiting NEMA’s website.