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  2. 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 ...

  3. Lumen (unit) - Wikipedia

    en.wikipedia.org/wiki/Lumen_(unit)

    The lumen (symbol: lm) is the unit of luminous flux, a measure of the perceived power of visible light emitted by a source, in the International System of Units (SI). ). Luminous flux differs from power (radiant flux) in that radiant flux includes all electromagnetic waves emitted, while luminous flux is weighted according to a model (a "luminosity function") of the human eye's sensitivity to ...

  4. NEMA wattage label - Wikipedia

    en.wikipedia.org/wiki/NEMA_wattage_label

    "43" LED sticker—43 watts—Very common "46" LED sticker—46 watts—Very common; A label with a PS before the MH (e.g. 17 PSMH) on a MH sticker indicates that the fixture utilizes the newer pulse start technology, which uses different lamps than the older probe start technology. [1] [2] New Nema LED Sticker Uses For Led Street Light

  5. Your Grow Light Is Probably Too Far from Your Plants ... - AOL

    www.aol.com/grow-light-probably-too-far...

    The price of LED lighting has come down, and as a bonus, you won't have to deal with the hassle of disposing of the spent lighting tubes when they burn out like you do with fluorescents.

  6. History of street lighting in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_street_lighting...

    One of the LED streetlights in Bellingham, Washington, which is individually controlled via a smart network (2016) In recent years, efforts to make street lighting more energy efficient have focused on using light-emitting diodes (LEDs) to replace high-pressure mercury (HPM), metal halide (MH), and high-pressure sodium (HPS) luminaires.

  7. List of automotive light bulb types - Wikipedia

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

    12V: ECE nominal luminous flux: 1,500 lm ±10% H8 1 12 V: 35 W PGJ19-1 USA ... Replaceable Light Sources for Vehicle Headlamps; Bulb Type Trade Number Cap (Base)