The National Electrical Manufacturers Association (NEMA) has published ANSI C136.29 Roadway and Area Lighting Equipment—Metal Halide Lamps –Guide for Selection.

This selection guide includes screw base single-ended metal halide lamps that can be used in roadway and area lighting equipment.

The contents and scope of C136.29-2011 may be viewed at  http://www.nema.org/stds/C136-29.cfm. A hard or electronic copy may be purchased for $35 by visiting global.ihs.com, or contacting IHS by phone at 800-854-7179 (U.S. only) or 303-397-7956 (international).

NEMA is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Arlington, Virginia. Its member companies manufacture a diverse set of products including power transmission and distribution equipment, lighting systems, factory automation and control systems, and medical diagnostic imaging systems. Worldwide annual sales of NEMA-scope products exceed $120 billion.