The National Electrical Manufacturers Association (NEMA) announced that ANSI Accredited Standards Committee C78 reaffirmed C78.1430 Slide Projector Lamps, Condensing, Dichroic, 1.65-in. (42 mm), Integral Reflector, Rim Reference Tungsten-Halogen Lamps with GX5.3 Bases. This standard defines the dimensional limits and other physical characteristics required to ensure commonality and interchangeability and to assist in the proper application of projection lamps.