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  2. Overhead power line - Wikipedia

    en.wikipedia.org/wiki/Overhead_power_line

    An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy along large distances. It consists of one or more conductors (commonly multiples of three) suspended by towers or poles.

  3. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    The first rubber-insulated cables for US building wiring were introduced in 1922 with US patent 1458803, Burley, Harry & Rooney, Henry, "Insulated electric wire", issued 1923-06-12, assigned to Boston Insulated Wire and Cable . These were two or more solid copper electrical wires with rubber insulation, plus woven cotton cloth over each ...

  4. Transmission tower - Wikipedia

    en.wikipedia.org/wiki/Transmission_tower

    Transmission tower in Toronto, ON Single-circuit three-phase transmission line Transmission towers on a hill field. Three-phase electric power systems are used for high voltage (66- or 69-kV and above) and extra-high voltage (110- or 115-kV and above; most often 138- or 230-kV and above in contemporary systems) AC transmission lines.

  5. Tree stumps, 100-foot power poles: These JoCo neighbors ...

    www.aol.com/tree-stumps-100-foot-power-103000506...

    April 4, 2024 at 6:30 AM. ... Twenty-one trees, including an 80-year-old oak, were cut to stumps to install a 100-foot tall power pole in the front yard of Michael and Diane Olson of De Soto ...

  6. List of tallest structures in the United States by height

    en.wikipedia.org/wiki/List_of_tallest_structures...

    The KVLY-TV mast is the tallest structure in the United States, at 2,063 ft (629 m) tall Galesville, Wisconsin WKBT-DT tower. This is a list of the tallest structures in the US that are at least 350 meters, ordered by height. Most are guyed masts used for FM- and TV-broadcasting:

  7. 140 St Georges Terrace - Wikipedia

    en.wikipedia.org/wiki/140_St_Georges_Terrace

    140 St Georges Terrace is a 30-storey skyscraper in Perth, Western Australia.Opened in 1975, the 131-metre (430 ft) tower was known as the AMP Building or AMP Tower after its owner and former flagship tenant, AMP Limited.

  8. Radio masts and towers - Wikipedia

    en.wikipedia.org/wiki/Radio_masts_and_towers

    The first, a 665 foot (203 m) half-wave mast was installed at radio station WABC's 50 kW transmitter at Wayne, New Jersey in 1931. [4] [5] During the 1930s it was found that the diamond shape of the Blaw-Knox tower had an unfavorable current distribution which increased the power emitted at high angles, causing multipath fading in the listening ...

  9. List of tallest buildings in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_buildings...

    This list ranks completed and topped-out buildings in the United States that stand at least 800 feet (244 m) tall, based on standard height measurement which includes spires and architectural details, but excludes antenna masts.

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