Underground Distribution


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Underground Distribution
1010607 Underground DistributionElectric distribution network circuits have been installed underground in large cities for many years to serve the central business areas. The electric load density in the central business areas is high enough to justify the expenses associated with the conventional underground system employing the use of conduits encased in concrete, manholes, vaults with submersible transformers, network protectors, and paper-insulated, lead-covered, or polyethylene-insulated, shielded, and jacketed high-voltage cables.The conventional underground network system cannot be economically justified to serve the low electric load densities found in residential areas. Direct-buried cable system…
Citation
Thomas M. Shoemaker; James E. Mack: Lineman's and Cableman's Handbook, Twelfth Edition. Underground Distribution, Chapter (McGraw-Hill Professional, 2012), AccessEngineering Export