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  2. Electric generator - Wikipedia

    en.wikipedia.org/wiki/Electric_generator

    In electricity generation, a generator[1] is a device that converts motion-based power (potential and kinetic energy) or fuel-based power (chemical energy) into electric power for use in an external circuit. Sources of mechanical energy include steam turbines, gas turbines, water turbines, internal combustion engines, wind turbines and even ...

  3. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    Each fixture has its own inline trap. A drain-waste-vent system (or DWV) is the combination of pipes and plumbing fittings that captures sewage and greywater within a structure and routes it toward a water treatment system. It includes venting to the exterior environment to prevent a vacuum from forming and impeding fixtures such as sinks ...

  4. Pelton wheel - Wikipedia

    en.wikipedia.org/wiki/Pelton_wheel

    The Pelton wheel or Pelton Turbine is an impulse -type water turbine invented by American inventor Lester Allan Pelton in the 1870s. [1][2] The Pelton wheel extracts energy from the impulse of moving water, as opposed to water's dead weight like the traditional overshot water wheel. Many earlier variations of impulse turbines existed, but they ...

  5. Kohler Co. - Wikipedia

    en.wikipedia.org/wiki/Kohler_Co.

    Kohler Co., founded in 1873 by John Michael Kohler, is an American manufacturingcompany based in Kohler, Wisconsin.[3] Kohler is best known for its plumbingproducts, but the company also manufactures furniture, cabinetry, tile, engines, and generators. Destination Kohleralso owns various hospitality establishmentsin the United States and Scotland.

  6. Electrical ballast - Wikipedia

    en.wikipedia.org/wiki/Electrical_ballast

    It connects the two ends of the lamp to preheat them for one second before lighting. An electrical ballast is a device that limits the current through an electrical load. These are most often used when a load (such as an arc discharge) has its terminal voltage decline when current through the load increases.

  7. Electrical room - Wikipedia

    en.wikipedia.org/wiki/Electrical_room

    An electrical room is a technical room or space in a building dedicated to electrical equipment. Its size is usually proportional to the size of the building; large buildings may have a main electrical room and subsidiary electrical rooms. Electrical equipment may be for power distribution equipment, or for communications equipment.

  8. Photovoltaic system - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_system

    A photovoltaic system, also called a PV system or solar power system, is an electric power system designed to supply usable solar power by means of photovoltaics.It consists of an arrangement of several components, including solar panels to absorb and convert sunlight into electricity, a solar inverter to convert the output from direct to alternating current, as well as mounting, cabling, and ...

  9. Wikipedia : Reference desk/Archives/Miscellaneous/2023 March 8

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    Manually. Take a 20-team league, so two sets of 19 fixtures. Assign the numbers 1-19 to the first 19 fixtures. Generate a randomized list of the numbers 1-19 (e.g. 16, 4, 1, 6, 13, etc...) and sort the second 19 fixtures according to that randomized list. random.org is one such sequence generator.