Ключевые слова:
Interchangeability|Mechanical testing|Electrical safety|Marking|Test equipment|Electrical testing|Testing conditions|Temperature rise|Tubular lamps|Damp-air tests|Lighting equipment|Electrical faults|Electric ballasts|Fluorescent lamps|Penetration tests|Electric lamps|Heating tests|Discharge lamps|Protected electrical equipment|Lamps|Thermal resistance|Performance|Fire tests