Historical
ANSI C78.390-2006 (R2015)
Electric Lamps - Method of Designation for Electric Lamps - Miniature and Sealed-Beam Incandescent Lamps
Describes a voluntary system for the method of designation of miniature and sealed-beam lamps. The method is intended to provide lamp manufacturers a means to request a designation.
NEMA: National Electrical Manufacturers Association [nema]