NEMA C82.9-1996 American National Standard for High-Intensity Discharge and Low-Pressure Sodium Lamps, Ballasts and Transformers - Definitions Includes Supplement C82.9b-1998 [Replaced: ANSI C82.9, ANSI C82.9, ANSI C82.9, ANSI C82.9]
1996NEMA C82.9-1996 American National Standard for High-Intensity Discharge and Low-Pressure Sodium Lamps, Ballasts and Transformers - Definitions Includes Supplement C82.9b-1998 [Replaced: ANSI C82.9, ANSI C82.9, ANSI C82.9, ANSI C82.9]
1988NEMA C82.9-1988 HIGH-INTENSITY-DISCHARGE AND LOW-PRESSURE SODIUM LAMPS@ BALLASTS@ AND TRANSFORMERS - DEFINITIONS (SEE ANSI/NEMA C82.9-1996)
1981NEMA C82.9-1981 DEFINITIONS FOR HIGH- INTENSITY-DISCHARGE- LAMP BALLASTS AND TRANSFORMERS