NEMA has published NEMA LSD 71-2014 Best Practices for Metal Halide Lighting Systems Relative to Lamp Rupture Risks. White paper, developed by the NEMA Light Sources and Luminaire sections, provides updated educational information on the selection, operation, and maintenance of metal halide lighting systems with specific emphasis on risks associated with lamp rupture. NEMA LSD 71-2014 may be downloaded on the NEMA website.