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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. Ceylon Electricity Board - Wikipedia

    en.wikipedia.org/wiki/Ceylon_Electricity_Board

    On 25 February 2016, the entire country of Sri Lanka experienced a 3-hour blackout due to a bolt of lightning striking the national power grid. [18] On 13 March 2016, Sri Lanka experienced another 7-hour island-wide blackout due to a damaged transformer in the 220 kV substation at Biyagama.

  4. Electricity sector in Sri Lanka - Wikipedia

    en.wikipedia.org/.../Electricity_sector_in_Sri_Lanka

    From December 2009 to March 2010, permits for another 50 MW of projects were issued by the Sri Lanka Sustainable Energy Authority, before concerns relating to the issuing of permits were raised again, [19] [20] leading to another deadlock in the industry. As of June 2010, issuing of permits for the development of private wind farms were stopped.

  5. Timeline of lighting technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_lighting...

    1880 Edison produced a 16-watt lightbulb that lasts 1500 hours. 1882 Introduction of large scale direct current based indoor incandescent lighting and lighting utility with Edison's first Pearl Street Station; c. 1885 Incandescent gas mantle invented, revolutionises gas lighting.

  6. Timeline of Sri Lankan history - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_Sri_Lankan_history

    1971 JVP insurrection: Marxist insurrection conducted by the Janatha Vimukthi Peramuna against the government of Sri Lanka. 1972: Sri Lanka becomes a republic, and country's name Ceylon was changes to Sri Lanka: 1983 24–30 July Black July by the government and Sinhalese mobs; Beginning of the Sri Lankan Civil War: 1987 29 July Signing of the ...

  7. History of Sri Lanka (1948–present) - Wikipedia

    en.wikipedia.org/wiki/History_of_Sri_Lanka_(1948...

    The crisis resulted in Sri Lanka defaulting on its $51 billion sovereign debt for the first time in its history, along with double-digit inflation, a crippling energy crisis that led to 15 hour power cuts, severe fuel shortages leading to the suspension of fuel to all non-essential vehicles, and more.