Ключевые слова:
Fire tests, Edison screw threads, Electrical testing, Dimensions, Protected electrical equipment, Lamps, Lighting equipment, Corrosion tests, Testing conditions, Dielectric-strength tests, Marking, Mechanical testing, Electrical insulation, Watertightness tests, Thermal testing, Screw lamp caps, Switches, Heating tests, Electrical safety, Lamp caps, Clearance distances