Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Batteries, electric; Commutators; Converters, electric; Current rectifiers; Electric installations for the remote control of industrial operations; Electric relays; LCD panels; Light emitting diodes (LEDs); Power supplies; Step up transformers; Transformers; Transistors; Video screens; Voltage stabilizing power supply; Voltage surge protectors; Wafers for integrated circui...