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  2. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    In 2016 Government of India launched 'Ujala LED bulb scheme' to lower India's carbon footprint and save electricity, it distributed 370 million LED bulbs free, by doing so as of March 2022, which resulted in saving of ₹ 200 billion (US$2.3 billion) of middle class and poor household power bill. The scheme is intended to replace all the ...

  3. Phase-out of incandescent light bulbs - Wikipedia

    en.wikipedia.org/wiki/Phase-out_of_incandescent...

    The Canadian federal government banned the import and sale of 75- and 100-watt incandescent bulbs, effective 1 January 2014. On 1 January 2015, 40- and 60-watt bulbs were also banned, although there are exceptions for oven lights, decorative lamps (light bulbs), appliance bulbs, 3-way fixtures, chandeliers and rough service/utility bulbs. [86]

  4. List of automotive light bulb types - Wikipedia

    en.wikipedia.org/wiki/List_of_automotive_light...

    Similar US bulb: HB2 (9003) 12V: ECE nominal luminous flux: 1,650 / 1,000 lm ±15% Available with P45t base to upgrade old headlamps designed for R2 bulb H7 1 12 V: 55 W 24 V: 70 W PX26d USA, Japan 12V: ECE nominal luminous flux: 1,500 lm ±10% H8 1 12 V: 35 W PGJ19-1 USA ECE nominal luminous flux: 800 lm ±15% H8B 1 12 V: 35 W PGJY19-1 USA H9 1

  5. Sulfur lamp - Wikipedia

    en.wikipedia.org/wiki/Sulfur_lamp

    The sulfur lamp consists of a golf ball-sized (30 mm) fused-quartz bulb containing several milligrams of sulfur powder and argon gas at the end of a thin glass spindle. The bulb is enclosed in a microwave-resonant wire-mesh cage. A magnetron, much like the ones in home microwave ovens, bombards the bulb, via a waveguide, with 2.45 GHz microwaves.

  6. High-CRI LED lighting - Wikipedia

    en.wikipedia.org/wiki/High-CRI_LED_lighting

    The "warmer" light colors, such as a 2700 K incandescent bulb or a 1700 K candlelight, are more easily reproduced than more neutral white lights, such as 4800 K direct sunlight, and thus usually have higher CRI ratings in alternative light sources such as CFL and LED bulbs; "warmer" light (redder) naturally renders colors less accurately.

  7. Incandescent light bulb - Wikipedia

    en.wikipedia.org/wiki/Incandescent_light_bulb

    Light bulbs using coiled coil filaments are sometimes referred to as 'double-coil bulbs'. For a 60-watt 120-volt lamp, the uncoiled length of the tungsten filament is usually 580 millimetres (22.8 in), [76] and the filament diameter is 0.046 millimetres (0.0018 in). The advantage of the coiled coil is that evaporation of the tungsten filament ...

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