Wood Pole Power Line

They are the backbone of overhead line construction and most of these poles are pressure treated with some type of preservative.
Wood pole power line. A utility pole is a column or post used to support overhead power lines and various other public utilities such as electrical cable fiber optic cable and related equipment such as transformers and street lights it can be referred to as a transmission pole telephone pole telecommunication pole power pole hydro pole telegraph pole or telegraph post depending on its application. The many possible uses include barn poles power line poles playground structures golf course netting and light poles. There are some 160 to 180 million wood utility poles in service in the us. Also failures in underground lines can take significantly more time to identify and repair compared to overhead line repairs.
An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy across large distances. Choosing a pole treated with an appropriate wood preservative for the environment can save a utility time frustration and money. Efforts to move power lines underground often ignore that the cost to convert overhead lines to underground lines at five to 10 times that of comparable overhead construction using wood poles. These are made of seasoned wood sal or chir and are suitable for lines of the moderate x sectional area and of relatively shorter spans say upto 50 metres.
Since most of the insulation is provided by the surrounding air overhead power lines are generally the least.