Installation of Unit-DZ Arc protection for cells KRU 6-35 kV by title: «Modernization of PC 500 kV Tambovskaya, PC 500 kV Borino, PC 500 kV Eletskaya, PC 110 kV Trostnoe, PC 220 kV Eletskaya, PC 220 kV Kotovskaya, PC 330 kV Shebekino, PC 220 kV Livni’»
