This standard specifies the performance requirements for single-ended or double-ended tungsten-halogen lamps with a rated voltage below 250V for the following purposes: Projection (including cinema projectors and projectors); Photography (including studio use); Floodlight; · Special purpose; · General purpose; · Stage lighting. Some requirements of this standard are given in the "reference table for relevant lamps". For some lamps, this standard lists its parameter table. For other lamps included within the scope of this standard, the lamp specifications are supplied by the lamp manufacturer or distributor.