Classes of incandescent lamps as cataloged by the manufacturers. Large lamps, miniature lamps, and photographic lamps are the three major groups of incandescent lamps as divided and cataloged by the manufactures. As a summary, large lamps are those normally used for interior and exterior general and task lighting. Miniature lamps are generally used in automative, aircraft, and appliance applications. Photographic lamps, as the name implies, are used in photography and projection service.
Understanding Loss in Electrical System