9 apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical conductors for transformers, electrical switchgear for primary and secondary distribution, namely, gas insulated cubicles, air-insulated cubicles, withdrawable circuit breakers, gas-insulated compact modular cubicles, low, medium and high voltage switchboards, voltage boosting devices for electric power lines, electrical switches, transformers for the distribution of electricity, transformer substations, electrical transducers, electrical transformers, namely, power transformers and high voltage transformers, patch panels for housing electrical components, electrical connectors for power converters and electrical power connectors, and electrical switches, electrical terminal blocks, electrical receptacles, electrical distribution boxes, electric switchgear and control cabinets, vacuum tubes for switchgear, specially designed cabinets for holding switchgear, electrical connectors, electrical cables, electrical wires, electrical resolvers, electrical shielding spacers for cables and cable assemblies, electrical sensors, electrical relays, electrical power connector, electrical fuses, electrical inductors, electrical controllers, electrical circuit boards, high, medium and low-voltage switchgear, electrical distribution systems, namely, power distribution panels, electrical controls for switchgear and power system control namely, remote controls for operating switchgears and electrical power supply equipment, electrical and electronic apparatus and instruments for receiving and processing broadcast signals, namely, antennae, amplifiers, distributors, modulators and attenuators, electrical connectors, electronic installations for the remote control of industrial operations, electronic apparatus for the remote control of industrial operations, electronic cordless controls for industrial equipment, electronic communications equipment for sensing and displaying information, electronic communications equipment used for the transmission and reception of electronic data for display on either digital or analog readout devices, battery chargers, namely, general purpose battery chargers and battery charging units; apparatus for recording, transmission or reproduction of sound or images, namely, blank magnetic data carriers