Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Commutators; Converters, electric; Current rectifiers; Electric control panels; Electric transformers; Electricity distribution consoles; Electronic chips for the manufacture of integrated circuits; Illumination regulators; Lighting ballasts; Power switches; Printed circuit boards; Printed circuits; Voltage regulators; Voltage stabilizing power supply; Wafers for integrate...