Overhead power line

Above-ground structure for bulk transfer and distribution of electricity / From Wikipedia, the free encyclopedia

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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. Since most of the insulation is provided by air, overhead power lines are generally the lowest-cost method of power transmission for large quantities of electric energy.

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Overhead power line in Gloucestershire, England.