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  2. Holiday lighting technology - Wikipedia

    en.wikipedia.org/wiki/Holiday_lighting_technology

    There are also multi-LED screw-in bulbs which replace real C 7 + 1 ⁄ 2 and C 9 + 1 ⁄ 4 bulbs and are much closer in brightness than the mini imitations. [citation needed] In the modern age, LEDs have emerged with RGB technology to allow Christmas lights to display a possible range of around 4.6 billion colors.

  3. Twinkle bulb - Wikipedia

    en.wikipedia.org/wiki/Twinkle_bulb

    A twinkle bulb is a special type of light bulb which blinks on and off for decorative effect. They are most commonly used on Christmas lights and other string lights, but can also be used for other ornamental purposes like electric jack-o-lanterns for Halloween and replica traffic lights .

  4. Christmas lights - Wikipedia

    en.wikipedia.org/wiki/Christmas_lights

    More cities in the US are establishing schemes to recycle Christmas lights, with towns organizing drop-off points for handing in old lights. [41] [42] As of December 2019, most scrap metal recycling centers will purchase traditional incandescent Christmas lights for between US$0.10/Lb - USD$0.20/Lb (€0.20/Kg - €0.40/kg). [43]

  5. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    One-color light is well suited for traffic lights and signals, exit signs, emergency vehicle lighting, ships' navigation lights, and LED-based Christmas lights. Because of their long life, fast switching times, and visibility in broad daylight due to their high output and focus, LEDs have been used in automotive brake lights and turn signals.

  6. National Christmas Tree (United States) - Wikipedia

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

    The tree was decorated with 4,600 red, white, and blue lights; red, white, and blue ornaments, and silver garland; and topped by a 4-foot (1.2 m) high gold and green Liberty Bell. [129] [160] The low-watt Christmas tree lights were specially designed by General Electric. [160]

  7. 3-way lamp - Wikipedia

    en.wikipedia.org/wiki/3-way_lamp

    A 3-way lamp, also known as a tri-light, is a lamp that uses a 3-way light bulb to produce three levels of light in a low-medium-high configuration. A 3-way lamp requires a 3-way bulb and socket, and a 3-way switch. In 3-way incandescent light bulbs, each of the filaments operates at full voltage. Lamp bulbs with dual carbon filaments were ...