Power distribution or control machines and apparatus, namely, electrical power distribution blocks, electrical power distribution units, power distributing boxes, electrical power distribution panels, electrical controllers; electric transformers; electrical power supplies; electric switches; electric relays; power controllers; current rectifiers; connectors for distributing or controlling electric current; capacitors for distributing or controlling electric current; resistors for distributing or controlling electric current; fuses for electric current; rotary converters; phase modifiers, namely, phase shifters for electrical power supplies and electrical power distribution units; electronic machines, apparatus and their parts, namely, digital controllers for electrical power supply; electrical filters, namely, filters to control signal frequencies, filters for radio interference suppression, dielectric filters, multiplayer ceramic filters, piezoelectric filters, 3-terminal filters, EMC filters, filters for phones, clamp filters, noise filters, band pass filters, low pass filters and high pass filters; apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; non-contact electrical power supply, electric storage batteries for electrical power supply, bidirectional converters; electron tubes; semi-conductor elements; electronic circuits; computer programs, namely, downloadable and recorded computer software for power supply control; downloadable and recorded computer software for bidirectional power converter control; downloadable and recorded computer software for DC/DC converter control; downloadable and recorded computer software for DC/AC power inverter control; downloadable and recorded computer software for the purpose of managing, storing, and viewing electronic publications in the nature of books, magazines, newsletters and brochures in the fields of electrical power, electrical power distribution, and telecommunications; measuring or testing machines and instruments for electrical power supplies or electrical power distribution unit, namely, noise measuring devices, noise meters, voltage measuring device, and current measuring device; electrical cells and batteries; electric or magnetic meters and testers, namely, electricity meters, circuit testers, voltage testers, and apparatus used to measure and test magnetic fields; electric wires and cables; photographic apparatus and instruments, namely, photographic cameras, photographic filters, and photographic projectors; cinematographic apparatus and instruments, namely, cinematographic machines and apparatus; optical machines and apparatus, namely, optical sensors and optical receivers; electrical communication machines and instruments, namely, digital receivers, transmitters and transceivers; electric coils; connectors for telecommunication apparatus; electric capacitors for telecommunication apparatus; electric resistors for telecommunication apparatus; fuses for telecommunication apparatus; magnetic cores; electrical resistance wire; electrodes for electrical brazing