Electric circuit switches; Electric power converters; Electric switches; Electric voltage transformers; Electrical plug device enabling connection and disconnection of power and/or control cables; Electrical power connectors; Electrical switches; Electronic components in the nature of diodes, capacitors, transformers, inductors, electronic switches, optical couplers, connectors, laser diodes, light-emitting-diodes, SAW filters, and transducers; Electronic components, namely, piezoelectric switches; Electronic control circuits for regulating voltage, manipulating voltage, controlling voltage, and turning voltage on or off; Electronic controllers for use with power converters; Electronic controllers used to reduce power consumption; High-frequency switching power supplies; High frequency switches; High voltage multipliers; High voltage transformers; Inverters for power supply; Power supplies; Power supplies for industrial equipment, medical equipment, life sciences equipment, analytical instruments, energy exploration and production equipment, military equipment, aerospace equipment, and research equipment; Power switches; Power transformers for amplification; Power amplifiers; Power connectors; Power controllers; Power inverters; Pulse generators in the nature of electronic circuits; Radar receivers with amplifiers; Radio frequency generators for supplying radio-frequency energy; Static voltage regulators; Transient voltage surge suppressors with power conditioning technology; Voltage regulators for electric power; Voltage stabilizing power supply; Voltage monitor modules; Voltage regulators; Voltage stabilizers; Voltage surge suppressors