This standard specifies performance requirements for various single-ended@ doubleended@ integral reflector@ and PAR tungsten halogen lamps@ with rated voltages up to 277V@ and used for projection@ photographic@ (floodlight)@ special purpose@ general lighting service (GLS)@ and stage-studio lighting applications. This standard@ similar to IEC 60357@ provides dimensional and performance information pertinent to general lighting and specialty tungsten halogen lamps used in North America. This information is provided in C78.357 lamp data sheets@ by reference to other ANSI tungsten halogen lamp specific standards@ or by reference to adopted IEC 60357 lamp data sheets. This standard is a revision/consolidation of ANSI C78.24-2001@ C78.1413-2001@ C78.1417-1997@ C78.1421-2002@ and C78.MR11-2-1997.