9 Electric apparatus and instruments for electrical engineering, namely, for conducting, transforming, transmitting, accumulating, regulating or controlling, in particular electric conduits and cables, electric contact lines, electric plugs, electrical slip ring elements, electric conduit screw fittings, electric clamping boxes, electric end terminals and distributors, electric current collectors for contact lines, electric control panels; plastic cable tracks for electric cables; electric apparatus and instruments for weak-current engineering for conducting, transforming, transmitting, accumulating, regulating and controlling, conveying of electricity and electrical energy, in particular electric conduits and cables, electric contact lines, electric plugs, electrical slip ring elements, electric conduit screw fittings, electric clamping boxes, electric end terminals and distributors, electric current collectors for contact lines, electric control panels; contactless electricity, data transmission systems and energy transmission systems comprised of antennae, frequency converters, resonant coil systems for movable devices, electrical transmission cables and accessories thereof, namely, frequency converters, electric condensers; accessories for non-contact power and energy transmission systems or data transmission systems, namely, frequency converters, storage batteries and capacitors; inductive and electromagnetic non-contact vehicle and apparatus guide systems, comprised of antennae, frequency converters, resonant coil systems for movable devices, electrical transmission cables and accessories thereof, namely, frequency converters, electric condensers