2016NEMA C78.380-2016 Electric Lamps - High-Intensity Discharge Lamps - Method of Designation
2007NEMA ANSLG C78.380-2007 Electric Lamps - High Intensity Discharge Lamps, Method of Designation
NEMA ANSLG C78.380-2007 Electric Lamps - High Intensity Discharge Lamps, Method of Designation was changed to NEMA C78.380-2016 Electric Lamps - High-Intensity Discharge Lamps - Method of Designation.