Tracked Changes. Bayonet lampholders|Electrical testing, Classification systems, Test specimens, Protected electrical equipment, Test equipment, Flexible conductors, Safety measures, Thermal testing, Lighting equipment, Clearances, Bayonet lamp caps, Thermal resistance, Impact testing, Leakage paths, Earthing, Corrosion tests, Lamp caps, Fire tests, Damp-air tests, Testing conditions, Rated voltage, Electric terminals, Marking, Heating tests, Electrical safety, Mechanical testing, Switches, Stress corrosion, Electrical insulation, Rated current, Performance testing