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2. Fluorescent-lamp formats - Wikipedia

   en.wikipedia.org/wiki/Fluorescent-lamp_formats

   In the 1970s, 34-watt energy-saving F40T12 fluorescent lamps were intoroduced in the United States. In the 1980s, T8 32-watt lamps were introduced, [8] but unlike the T8 tubes introduced in Europe, these T8s are not retrofits and require new matching ballasts to drive them. These ballasts were originally magnetic, but most today are electronic.

3. Bi-pin lamp base - Wikipedia

   en.wikipedia.org/wiki/Bi-pin_lamp_base

   The suffix after the G indicates the pin spread; the G dates to the use of Glass for the original bulbs. GU usually also indicates that the lamp provides a mechanism for physical support by the luminaire: in some cases, each pin has a short section of larger diameter at the end (sometimes described as a "peg" rather than a "pin" [2]); the socket allows the bulb to lock into place by twisting ...

4. Fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Fluorescent_lamp

   Fluorescent lamps convert more of the input power to visible light than incandescent lamps. A typical 100 watt tungsten filament incandescent lamp may convert only 5% of its power input to visible white light (400–700 nm wavelength), whereas typical fluorescent lamps convert about 22% of the power input to visible white light. [32]: 20

5. List of automotive light bulb types - Wikipedia

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

   ECE nominal luminous flux: 50 lm ±20% T10 size Old designation: W10/5 ANSI № 168 WR5W W2.1×9.5d 1 12 V & 24 V: 5 W Red WY5W W2.1×9.5d 1 6 V, 12 V, 24 V: 5 W Amber ECE nominal luminous flux: 30 lm ±20% W10W W2.1×9.5d 1 6 V & 12 V: 10 W T13 size WY10W W2.1×9.5d 1 6 V & 12 V: 10 W W15/5W WZ3×16q 2 12 V: 15 / 5 W for motorcycles W16W

6. Incandescent light bulb - Wikipedia

   en.wikipedia.org/wiki/Incandescent_light_bulb

   An incandescent light bulb, ... Filament of a 50-watt incandescent lightbulb in ... of an inch. Therefore, a PAR 16 is 51 mm (2 in) in diameter, a PAR 20 is 64 mm (2. ...

7. Category:Incandescent light bulbs - Wikipedia

   en.wikipedia.org/wiki/Category:Incandescent...

   Pages in category "Incandescent light bulbs" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. ...