This International Standard specifies the performance requirements for single-capped and double-capped tungsten halogen lamps, having rated voltages of up to 250 V, used for the following applications: · Projection (including cinematograph and still projection) · · Photographic (including studio) · · Floodlighting · · Special purpose · · General purpose · · Stage lighting This third edition cancels and replaces the second edition published in 1982 and amendments 1(1984), 2(1985), 3(1987), 4(1989), 5(1992), 6(1993), 7(1994), 8(1995), 9(1996), 10(1996), 11(1997), 12(1999) and 13(2000