Generally, the performance of cable resistance is checked periodically as a protective precaution. For this purpose, a megger is used. It has been in usage since 1920. But with the improvements in technology and time, periodic investigations have been done for the improvement of testing. Earlier, hand-driven meggers have been used for the testing, but now electronic type meggers serve this purpose. Here in this article, we will discuss what is a megger … [Read more...]