Cable lines have more and more great value for transferring of electric energy, especially for cities. The measurement equipment for diagnostics of cables defines uninterrupted electrical supplying of settlements and the industrial enterprises. Modern diagnostic methods of the analysis of a technical condition of cables allow, without injuring isolation, to execute tests and to specify problem places on length of cable lines. The experience and statistics of the tests will give the chance to forecast the residual resource of cables and the electrical equipment, and consequently will give the chance really to increase their service life over specifications and to provide planned maintenance service and repair with the big resource saving.
