Transformers are high-voltage

Insulators porcelain;
Insulators glass;
Polymeric and many others for the high voltage line, the railroads, substations, electrotransport and other scopes of application.
High-voltage inputs for transformers, reactors, oil switches, KRUE.
Linear fittings - for the high voltage line, HOARSED, electro-and substations, a contact network of the railroads.