The National Electrical Manufacturers Association (NEMA) has published LSD25-2008 Best Practices for Metal Halide Lighting Systems, Plus Questions and Answers about Lamp Ruptures in Metal Halide Lighting Systems. This NEMA Lighting Systems Division white paper provides educational information for the selection, operation, and maintenance of metal halide lighting systems with specific emphasis on those items pertinent to the risks associated with lamp rupture. The implications of the 2005 NEC provisions on these risks are addressed.

LSD25-2008 Best Practices for Metal Halide Lighting Systems, Plus Questions and Answers about Lamp Ruptures in Metal Halide Lighting Systems may be downloaded at no charge by visiting NEMA’s website www.nema.org/stds/LSD25.cfm.

NEMA is the trade association of choice for the electrical manufacturing industry. Founded in 1926 and headquartered near Washington, D.C., its approximately 450 member companies manufacture products used in the generation, transmission and distribution, control, and end-use of electricity. These products are used in utility, medical imaging, industrial, commercial, institutional, and residential applications. Domestic production of electrical products sold worldwide exceeds $120 billion. In addition to its headquarters in Rosslyn, Virginia, NEMA also has offices in Beijing, São Paulo, and Mexico City.