Certification of the equipment supplied to the Electric Grid Facilities, performed in accordance with the Regulation on the technical policy of Federal Grid Company. The procedure is designed to perform the basic aim of JSC “FGC EES” – to maintain uninterrupted power supply to consumers, reliable, safe and efficient operation of transmission facilities. Estralin HVC products have passed all the necessary procedures for the certification of Federal Grid Company and has all the documents confirming the quality of the products.