This 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. For some of the requirements given in this standard reference is made to ""the relevant data sheet"". For some lamps these data sheets are contained in this standard. For other lamps, falling under the scope of this standard, the relevant data are supplied by the lamp manufacturer or responsible vendor. The