9 electricity transport and distribution equipment and systems for high medium and low voltage electricity distribution, namely electricity accumulators, electrical anti-interference devices; electricity armatures; electric batteries; junction sleeves for electric cables, electric cables, electricity cell switches and switchboards, electric coils, electric collectors; commutators; electric conductors; electricity connectors, electricity control panels, electric couplings; electric discharge tubes; electricity inductors; electricity reducers; electric relays; electric resistances; protectives switch gear for extra high voltage; transformers; encapsulated transformers; immersed transformers; electricity monitoring devices; circuit breakers; power converters; isolating converters; devices for measuring electricity, monitoring and controlling systems for iron and steel making industry, port installations, petroleum industry, automobile industry, wine industry, food processing industry, nuclear industry, house building industry, ceramics, bricks and tiles manufacturing plant, water treatment industry, subway railroad and railway stations, cement works; computer integrated manufacturing systems incorporating logic controllers, variable speed drives, numerical control and communication systems; data processing equipment and computer hardware for use in the field of nuclear connectors and electric industries; nuclear power plant computerized control systems for the manipulation and the introduction of nuclear control rods in the core of the nuclear reactor; radioactivity monitors; computerized maintenance systems for checking the security of automatic working for nuclear reactors; onboard transformers for electric locomotives; electrical installations for railroad and other transit systems, namely overhead contact wires; overhead lines; automated maintenance devices for high speed trains; industrial process controls; computerized apparatus for controlling mechanical and power drives; electrical apparatus for control and survey of testing machines; controls for drive mechanisms, electrical installations for remote control of industrial operations; electrical control connection and distribution boards; variable speed drive controls for machines used in the field of nuclear, electric industries; electric variators, starters; digital control and servomotors; power protection and power controls, namely contractors; circuit breakers, thermo-relays; human/apparatus interaction devices, namely interface between human being and machines, ie, keyboards, displays, pushbuttons, indicator lights; electromechanical human/apparatus and components for these apparatus, namely pressure sensitive switches; electronical detectors and identification systems comprised of cells, detectors; protective switch gear for extra high voltage power transmission and distribution networks