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  2. Rope light - Wikipedia

    en.wikipedia.org/wiki/Rope_light

    Outdoor lighting: Outdoor uses for rope lights include staircase lighting, outdoor patio or deck lighting and outdoor artistic displays. Rope lights are durable and suitable for use around the garden, pool, driveway, shed, etc. During holiday seasons, lights can be used to create messages or designs with different colors and patterns.

  3. Solar lamp - Wikipedia

    en.wikipedia.org/wiki/Solar_lamp

    A garden solar lamp A child in Zambia studying by the light of a lamp charged by solar power during the day. A solar lamp, also known as a solar light or solar lantern, is a lighting system composed of an LED lamp, solar panels, battery, charge controller and there may also be an inverter.

  4. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    1 watt 9 volt three chips SMD phosphor based white LED. Among the challenges being faced to improve the efficiency of LED-based white light sources is the development of more efficient phosphors. As of 2010, the most efficient yellow phosphor is still the YAG phosphor, with less than 10% Stokes shift loss.

  5. Street light - Wikipedia

    en.wikipedia.org/wiki/Street_light

    New street lighting technologies, such as LED or induction lights, emit a white light that provides high levels of scotopic lumens. It is a commonly accepted practice to justify and implement a lower luminance level for roadway lighting based on increased scotopic lumens provided by white light.

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  7. Traffic light control and coordination - Wikipedia

    en.wikipedia.org/wiki/Traffic_light_control_and...

    In 2004, California Energy Commission recommended to have local governments to convert their traffic lights to LEDs with battery backups. This would lower the energy consumption and enhance the safety at major intersections. The recommendation was for a system which provides fully functional traffic signals for two hours after the power outage.

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