Conductors, electric; Converters, electric; Current rectifiers; Diodes; Electric cables, wires, conductors and connection fittings therefor; Electric installations for the remote control of industrial operations; Electric sensors; Electrical ducts; Electronic notice boards; Integrated circuit cards and components; Integrated circuits; Light emitting diodes (LEDs); Resistance measuring instruments; Resistance wires; Resistances, electric; Transformers; Transistors; Video screens; Voltage regul...