Descriptors | Transformers, Tubular lamps, Discharge lamps, Electric lamps, Lamps, Rated voltage, Rated current, Type testing, Testing conditions, Classification systems, Marking, Electrical safety, Temperature rise, Electrical testing, Endurance testing, Damp-air tests, Dielectric-strength tests, Thermal-cycling tests, Earthing, Leakage paths, Clearance distances, Tracking tests, Corrosion tests, Flexible conductors, Mechanical testing, Pull-out tests, Test equipment, Circuits, Performance |