1980xx. Bushings 1150 kV
In 1980-s, the enterprise exported products to 26 countries of the world. At the same time, development of hermetic bushings for super voltage of 1150 kV continued.
42 bushings for 1150 kV were provided for autotransformers and shunt reactors installed at the Ekibastuz - Kokshetau - Qostanay power line.