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  2. List of automotive light bulb types - Wikipedia

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

    UN Regulation 37 covers motor vehicle filament lamps. These are categorized in three groups: those without general restriction that can be used in any application, those acceptable only for signalling lights (not for road illumination lamps), and those no longer allowable as light sources for new type approvals but still permitted for production as replacement parts.

  3. Federal Motor Vehicle Safety Standard 108 - Wikipedia

    en.wikipedia.org/wiki/Federal_Motor_Vehicle...

    When it was initially published in 1968, [10] Motor Vehicle Safety Standard No. 108 was part of 49 CFR 371.21, incorporating several SAE recommended practices by reference. [11] The 1969 version of FMVSS 108 allowed the use of two headlamps, each 7 in (180 mm) in diameter, or four smaller 5 + 3 ⁄ 4 in (150 mm) headlamps. [11]: Table I

  4. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    The incandescent light bulb was for a long time the only light source used in automotive lighting. Incandescent bulbs are still commonly used in turn signals to stop hyper-flashing of the turn signal flashers. Many types of bulbs have been used. Standardized type numbers are used by manufacturers to identify bulbs with the same specifications.

  5. Category:Automotive lamps - Wikipedia

    en.wikipedia.org/wiki/Category:Automotive_lamps

    Category for lights found on automobiles and motor vehicles, and features of them common to all types of vehicles. It applies to headlamps and side indicators. It applies to headlamps and side indicators.

  6. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    Energy Star Certified Light Bulbs is a resource for finding and comparing Energy Star qualified lamps. A similar program in the United Kingdom (run by the Energy Saving Trust) was launched to identify lighting products that meet energy conservation and performance guidelines. [23] Ushio released the first LED filament lamp in 2008. [24]

  7. Daytime running lamp - Wikipedia

    en.wikipedia.org/wiki/Daytime_running_lamp

    Full-voltage vs. parking light headlamp on European-market Volkswagen, 2007. Depending on prevailing regulations and equipment, vehicles may implement the daytime-running light function by functionally turning on specific lamps, by operating low-beam headlamps or fog lamps at full or reduced intensity, by operating high-beam headlamps at reduced intensity, or by steady-burning operation of the ...

  8. H1 lamp - Wikipedia

    en.wikipedia.org/wiki/H1_Lamp

    Under ECE Regulation 37, which governs automotive filament lamps in most of the world, the H1 lamp's nominal rating is 55 W at 12 V, and its test rating is 68 W (maximum) and 1550 ± 15% lumens at 13.2 V. R37 also contains provisions for 6 V, 55 W and 24 V, 70 W H1 lamps. [1]

  9. Orders of magnitude (illuminance) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    To help compare different orders of magnitude, ... Frosted incandescent light bulb [5] [6] [12] 10 6: ... Toggle the table of contents.

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