
Tungsten Filament Lamp For Domestic And Similar General Lighting Purposes
出版:Bureau of Indian Standard

专家解读视频
Applicable to tungsten filament incandescent lamps for general lighting service (GLS) which comply with the safety requirements in Doc ET 23 (5291) and having: - rated wattage of 15 W, 25 W, 40 W, 60 W, 100 W, 150 W and 200 W; - rated voltage 110 V, 230 V, 240 V and 250 V, including marked voltage range not exceeding +/- 2.5 percent of the mean voltage. - bulbs of the A, K, M or PS shapes - bulbs with clear, frosted or equivalently coated finishes, or white finishes. - caps B22d or E27.