NEMA C78.1430
NEMA C781430 1997-MAY-01 Electrc Lamps - Slde Projector Lamps Condensng Dchroc 165 n 42mm ntegral Reflector Rm Reference Tungsten-Halogen Lamps wth GX53 Bases-Frst Edton Supersedes ANS C781416-1991 C781424-1994 C781425-1991 and C781426-1991