Ключевые слова:
Dimensions|Power measurement (electric)|Alternating current|Length|Red|Lamps|Electric lamps|Discharge lamps|Diameter|Torsion testing|Luminous flux|Shape|Reference ballasts|Spectral emittance|Voltage|Metal-vapour lamps|Marking|Mercury-vapour lamps|Lamp caps|Voltage measurement|Type testing|Lighting equipment|Photometry (light measurement)|Electrical testing|Screw lamp caps|Electric power (wattage)