It consists of one or more uninsulated electrical cables commonly multiples of three for three phase power suspended by towers or poles.
Wood pole power line.
Also failures in underground lines can take significantly more time to identify and repair compared to overhead line repairs.
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.
The many possible uses include barn poles power line poles playground structures golf course netting and light poles.
Since most of the insulation is provided by the surrounding air overhead power lines are generally the least.
Choosing a pole treated with an appropriate wood preservative for the environment can save a utility time frustration and money.
You can choose from multiple treatment levels and your poles may be custom cut or drilled to save you time on your job site we deliver wood poles nationwide in truckload quantities.
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.
There are some 160 to 180 million wood utility poles in service in the us.
Such supports are cheap easily available provide insulating properties and therefore are widely used for distribution purposes in rural areas as an economic proposition.