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