Ключевые слова:
Interchangeability|Testing conditions|Torque|Statistical quality control|Approval testing|Lighting equipment|Sampling methods|Test equipment|Filament lamps|Acceptance (approval)|Leakage paths|Electrical insulation|Tungsten lamps|Temperature-rise limit|Marking|Lamp caps|Graphic symbols|Circuits|Impedance measurement|Electrical safety|Domestic|Lamps|Heating tests|Electric lamps|Domestic safety|Conformity|Endurance testing