Transformers (electricity), including step-up transformers; current transformers; voltage transformers; coils, electric; choking coils [impedance]; reactors, electric; distribution boxes [electricity]; couplings, electric; electrical cables and wires and parts thereof; resistances, electric; limiters, converters, switches, connectors, [electricity]; electrical measuring instruments and devices; distribution consoles [electricity]; dashboards and control panels [electricity]; electrical switches and switching devices; step switches, parts and fittings therefor, electric, including voltage regulation with or without load; sensors for position indicator of step switches; devices and systems for monitoring step switches; bus interfaces, including those used for step switch monitoring systems; software, data transmission devices and communication networks of computer equipment for the transmission of various data, all for impact, control, monitoring, monitoring, verification of step switches; actuators for electrical switching devices, including step voltage switches.;
Paper for electrical capacitors; insulating paper; dielectrics [insulators]; insulators for electric mains; insulators for cables; insulating oil for transformers; insulating tubes, including for step switches; plastic sheets for electrical insulation, including laminated and solid for electrical insulation in step switches.;
Installation, installation, operation, commissioning, repair, maintenance of electrical equipment, including transformers and step switches.;
Technical research; technological research; conducting technical project studies; technological consultancy; research and development of new products for others; engineering services; energy auditing; computer programming; computer software design; maintenance of computer software; scientific laboratory services, including analytical and testing laboratory services; testing, authentication and quality control; scientific laboratory services in connection with oil for step switches.;