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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.

  3. List of high-voltage underground and submarine cables

    en.wikipedia.org/wiki/List_of_high-voltage...

    London, Beddington Cable Tunnel,(Beddington – Rowdown) 400 kV 51.36594°N 0.12324°W ; 51.34789°N 0.00954°W London, Hertfordshire, Elstree to St. John's Wood Deep Cable Tunnel: 20 2005 400 kV 51.52666°N 0.16488°W ; 51.65512°N 0.32714°W London, West Ham – Hackney (Lower Lea Valley Cable Tunnel) 6.3 2008 400 kV

  4. Utility location - Wikipedia

    en.wikipedia.org/wiki/Utility_location

    Utility locator tool in use (Perry, Oklahoma, 2011) Utility location is the process of identifying and labeling public utility mains that are underground. These mains may include lines for telecommunication, electricity distribution, natural gas, cable television, fiber optics, traffic lights, street lights, storm drains, water mains, and wastewater pipes.

  5. Utility tunnel - Wikipedia

    en.wikipedia.org/wiki/Utility_tunnel

    A utility tunnel, utility corridor, or utilidor is a passage built underground or above ground to carry utility lines such as electricity, steam, water supply pipes, and sewer pipes. Communications utilities like fiber optics, cable television, and telephone cables are also sometimes carried.

  6. Submarine communications cable - Wikipedia

    en.wikipedia.org/wiki/Submarine_communications_cable

    6 – Copper or aluminium tube 7 ... Map gallery of submarine cable maps by TeleGeography, showing evolution since 2000. 2008 map in the Guardian; 2014 map on CNN.

  7. List of international submarine communications cables

    en.wikipedia.org/wiki/List_of_international...

    SubmarineCableMap.com — simple map; Detailed interactive world map — at TeleGeography.com (2018 Version) Global Caribbean net Archived 2016-10-18 at the Wayback Machine — reference site for GCN, MCN, and SCF; Timeline of submarine cables, 1850–2007 — at Atlantic-Cable.com; TeleGeography submarine cable map — at TeleGeography.com

  8. List of HVDC projects - Wikipedia

    en.wikipedia.org/wiki/List_of_HVDC_projects

    Cable wholly underground except for Thames crossing - crossed on upstream side of Putney District line railway bridge Skagerrak 1 + 2 Denmark - Tjele 56°28′44″N 9°34′1″E  /  56.47889°N 9.56694°E  / 56.47889; 9.56694  ( Skagerrak - Tjele Static Inverter

  9. Submarine power cable - Wikipedia

    en.wikipedia.org/wiki/Submarine_power_cable

    Maximum depth 1000m. Total cost 380 million EUR. It is the longest submarine/underground AC cable interconnection in the world. [6] [7] [8] Mainland British Columbia to Gulf Islands Galiano Island, Parker Island, and Saltspring Island thence to North Cowichan: Vancouver Island: 138: 33: 1956 "The cable became operational on 25 September 1956" [9]