page_title: Overhead power line
section_title: Classification of transmission lines
hierarchical_section_title: Overhead power line / Classification of transmission lines
caption_attribution_description: English: Power and Utility workers with the AusAID cherrypicker; Nauru
context_page_description: An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy across large distances. It consists of one or more uninsulated electrical cables suspended by towers or poles.
  Since most of the insulation is provided by the surrounding air, overhead power lines are generally the least costly method of power transmission for large quantities of electric energy.
caption: A man working on powerlines in Nauru (2007)
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