Comparison between Overhead and Underground Line

Abstract

We will discuss about  overhead line  and underground  line  ,merits and demerit. Why we use the underground line on the place of overhead line , In the congested area underground line is best and how can install it very easily , we will describe on the overhead line and  that’s type which pole and conductor is best for  the electricity supply  and also we  take the knowledge about underground line that’s conductors type to line distribution , we learn to install that in congested area . why the underground line is save and best in the modern city and less amount of fault .