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  2. Holiday lighting technology - Wikipedia

    en.wikipedia.org/wiki/Holiday_lighting_technology

    LED sets can vary greatly. Common is a set of 60 (2 volts per bulb), but white LED sets use two circuits of 30 (4 volts per bulb). Multicolor sets may have special wiring, because red and yellow require less voltage than the newer blue-based ones (blue, emerald green and fluorescent white), but typically come in sets with a multiple of 35.

  3. Christmas lights - Wikipedia

    en.wikipedia.org/wiki/Christmas_lights

    There are two basic ways to troubleshoot this: a one by one replacement with a known good bulb, or by using a test light to find out where the voltage gets interrupted. One example made specifically for Christmas lights is the LightKeeper Pro. When Christmas light manufacturers first started using LEDs the colors seemed very dull and ...

  4. 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 ...

  5. LED display - Wikipedia

    en.wikipedia.org/wiki/LED_display

    Detail view of an LED display with a matrix of red, green and blue diodes The 1,500-foot (460 m) long LED display on the Fremont Street Experience in Downtown Las Vegas, Nevada, is currently the largest in the world. A LED display is a flat panel display that uses an array of light-emitting diodes (LEDs) as pixels for a video display.

  6. National Christmas Tree (United States) - Wikipedia

    en.wikipedia.org/wiki/National_Christmas_Tree...

    The National Christmas Tree and Pathway of Peace trees consumed 7,000 watts over four weeks in 2010, at a cost of about $180. [238] (The National Christmas Tree alone consumed 2,000 watts in 2011.) [212] The lighting scheme used 60,000 LED lights and 265 spherical ornaments in 2013, [220] [221] while consuming just 5700 watts. [220]

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