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  2. Underground power line - Wikipedia

    en.wikipedia.org/wiki/Underground_power_line

    An underground power line provides electrical power with underground cables. Compared to overhead power lines, underground lines have lower risk of starting a wildfire and reduce the risk of the electrical supply being interrupted by outages during high winds, thunderstorms or heavy snow or ice storms. An added benefit of undergrounding is the ...

  3. Service drop - Wikipedia

    en.wikipedia.org/wiki/Service_drop

    A 240/120 V split-phase service drop providing power to a residence in USA. The three wires from the utility pole enter through a weatherhead (top) into a vertical conduit, which routes them to the electric meter (bottom). From there they pass through the wall of the house to the electric panel and Main Fuses or Circuit Breakers inside.

  4. Kölnbrein Dam - Wikipedia

    en.wikipedia.org/wiki/Kölnbrein_Dam

    Feeding water into the Reisseck II power station is a 817-metre-long (2,680 ft) penstock. The power station is located 200 m (656 ft) underground and contains two 215 MW reversible Francis turbines. It has a total installed capacity of 430 MW [23] and increases the overall capacity of the power plant group by 40%, from 1,026 to 1,459 MW. The ...

  5. Pad-mounted transformer - Wikipedia

    en.wikipedia.org/wiki/Pad-mounted_transformer

    Single- and three-phase pad-mounted transformers are used in underground industrial and residential power distribution systems, where there is a need for safe, reliable, and aesthetically appealing transformer design. Their enclosed construction allows the installation of pad-mount transformers in public areas without protective fencing.

  6. Underground power station - Wikipedia

    en.wikipedia.org/wiki/Underground_power_station

    Inside the Robert-Bourassa generating station, in northern Quebec, the world's largest underground power station, with an installed capacity of 5,616 MW.. An underground power station is a type of hydroelectric power station constructed by excavating the major components (e.g. machine hall, penstocks, and tailrace) from rock, rather than the more common surface-based construction methods.

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