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  2. List of automotive light bulb types - Wikipedia

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

    ANSI № 921 WY16W W2.1×9.5d 1 12 V: 16 W Amber, ANSI № 921NA W21W W3×16d 1 ... German vehicle bulbs per DIN; Category Nominal power Filaments Cap (Base) Comments

  3. Wedge base - Wikipedia

    en.wikipedia.org/wiki/Wedge_base

    Wedge base. W2.1x9.5d base, a common 5-watt bulb in landscape lighting and some interior automotive applications such as the dome light. A wedge base is a type of electrical connector used as a fitting for small light bulbs. It is similar to the bi-pin connector, except that the two "pins" are the same wires that extend into the bulb (rather ...

  4. Centennial Light - Wikipedia

    en.wikipedia.org/wiki/Centennial_Light

    The Centennial Light is an incandescent light bulb, recognized as the oldest known continuously operating light bulb. It was first illuminated in 1901, and has only been turned off a few brief times since. It is located at 4550 East Avenue, Livermore, California, and is open to public viewing. [ 1] Due to its longevity, the bulb has been noted ...

  5. 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.

  6. A-series light bulb - Wikipedia

    en.wikipedia.org/wiki/A-series_light_bulb

    A-series light bulb. The A-series light bulb is the "classic" glass light bulb shape that has been the most commonly used type for general lighting service (GLS) applications since the early 20th century. It has a pear-like shape and is typically fitted to either an Edison screw or a bayonet cap base. The number that follows the "A" designation ...

  7. Lightbulb socket - Wikipedia

    en.wikipedia.org/wiki/Lightbulb_socket

    A lightbulb socket, lightbulb holder,light socket, lamp socketor lamp holderis a device which mechanically supports and provides electrical connections for a compatible electric lampbase.[1] Sockets allow lamps to be safely and conveniently replaced (re-lamping). There are many different standards for lampholders, including early de ...

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