High-frequency switching power supplies; Frequency converters; Voltage regulators for electric power; Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; DC/AC power converters; Power factor regulator to economize the delivery of electrical power in the nature of a rod containing minerals contained in a PVC tube; Computer hardware and peripheral devices; Power supplies; Power adapters; Photovoltaic inverters; Electric power...