Choking coils for use in electrical equipment; magnetic cores for choking coils; electric reactors; magnetic cores for electric reactors; current sensors; magnetic cores for current sensors; magnetic cores for electromagnetic solenoid; magnetic cores for electromagnetic solenoid valves; electronic power transformers; magnetic cores for electronic power transformers; electrical inductors; electronic voltage transformers; capacitors; electric resistances; choking coils for use in electrical apparatus; choking coils for use in power transformers; electric reactors for use in automobiles; current transformers for power distribution; power distribution or control machines and apparatus, namely, electrical power distribution units and electronic controllers to reduce power consumption; electric or magnetic meters and outlet testers; electric wires and cables; winding wires; electric coils; holders for electric coils; electromagnetic coils; magnetic coils; telecommunication transmitters; magnetic cores; resistance wires; electrodes