An overhead line or overhead wire is used to transmit electrical energy to trams, trolleybuses or trains. It is known variously as: Overhead contact system (OCS) Overhead line equipment (OLE or OHLE) Overhead equipment (OHE) Overhead wiring (OHW) or overhead lines (OHL) Catenary Trolley WireIn this article the generic term overhead line is used, as used by the International Union of Railways.Overhead line is designed on the principle of one or more overhead wires (or rails, particularly in tunnels) situated over rail tracks, raised to a high electrical potential by connection to feeder stations at regular intervals. The feeder stations are usually fed from a high-voltage electrical grid.
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  • Study: 1 in 10 Mobile Ad Impressions Leads to a Store Visit

    … location. Additionally, the study found that 77% of mobile transactions end up being closed in-store. “What we’re really trying to do in this study is understand the full potential of mobile,” said xAD Director of Marketing Sarah Ohle. “One of the great things about mobile is obviously that you can reach people online and have them engage you…

    Mason Lerner/ Street Fightin Mobile- 7 readers -
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