Starting from middle of June 2018 Electrical Measuring Laboratory of Estralin PS provides services of measurements and tests, such as: – high-voltage tests of outer sheaths of cable lines up to 500 kV; – measuring of the direct current of the active resistance of conductors; – measuring of resistance of all types grounding systems. Electrical Measuring Laboratory of Estralin PS was registered by Federal Service for Ecological, Technological and Nuclear Supervision at 15.06.2018. Registration number is 7321. According to the registration we can perform acceptance tests, preventive tests and measurements of parameters of electrical equipment and electrical installations with voltages up to 500 kV. Besides that our company provides services of localization of electrical breakdowns of high-voltage cable lines with following operational repair.