Banana plugs; Components for electrical mains in the nature of electric wires, connectors, circuit breakers, cables; Electric cables, wires, conductors and connection fittings therefor; Electrical components in the nature of electric contactors; Electrical plugs and sockets; Electronic components for computers; Electronic components, namely, piezoelectric switches; Interfaces and peripheral devices for computers; Keypads for use with computers, tablet computers, cell phones; USB charging ports