Keywords:
Cap gauges, Connectors, Design, Designations, Dimensions, Electric lamps, Electrical engineering, Fittings, Gauges, General lighting service lamps, IEC cap gauges, IEC gauges, IEC lamp caps, IEC lampholders, Illumination engineering, Inspection, Lamp caps, Lampholders, Lamps, Lighting systems, Replaceability, Safety, Testing, Tungsten-halogen lamps