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  2. Incandescent light bulb - Wikipedia

    en.wikipedia.org/wiki/Incandescent_light_bulb

    40-watt light bulbs with standard E10, E14 and E27 Edison screw base The double-contact bayonet cap on an incandescent bulb. Large lamps may have a screw base or a bayonet base, with one or more contacts on the base. The shell may serve as an electrical contact or only as a mechanical support.

  3. A-series light bulb - Wikipedia

    en.wikipedia.org/wiki/A-series_light_bulb

    Philips L Prize bulbs count as A19 under Energy Star requirements. ANSI C79.1-2002, IS 14897:2000, [ 5 ] and JIS C 7710:1988 [ 9 ] define the "A shape" as "a bulb shape having a spherical end section that is joined to the neck by a radius ", where the radius is greater than that of the sphere, corresponds to an osculating circle outside the ...

  4. Compact fluorescent lamp - Wikipedia

    en.wikipedia.org/wiki/Compact_fluorescent_lamp

    An E27 Philips 5 watt CFL. CFLs are produced for both alternating ... Energy Star Light Bulbs for Consumers is a resource for finding and comparing Energy Star ...

  5. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

  6. Fluorescent lamp - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_lamp

    Integrated compact fluorescent lamps of different shapes with E27 socket and an electronic ballast in the base. Typical F71T12 100 W G13 bi-pin lamp used in tanning beds.

  7. Edison screw - Wikipedia

    en.wikipedia.org/wiki/Edison_screw

    230/240-volt incandescent light bulb with E27 screw baseEdison screw (ES) is a standard lightbulb socket for electric light bulbs. It was developed by Thomas Edison (1847–1931), patented in 1881, [1] and was licensed in 1909 under General Electric's Mazda trademark.