ANSI C78.1432:1997

This standard defines the dimensional limits and other physical characteristics required to ensure the interchangeability and to assist in the proper application of a specific category of lamps. This category is tungsten-halogen lamps with GZ9.5 two-pin prefocus bases and 36.5mm (1.5 inches) nominal light center length. Lamps of various design voltages are included. Lamps with the specifications listed in this standard are intended for projector, stage and studio applications. The grouping of lamps in this standard is based on general physical characteristics. It does not imply that the lamps listed are interchangeable with each other in particular application.