Access control and alarm monitoring systems; Chargers for batteries; Electric fuse boxes; Electric warning lights; Electrical connection boxes; Electrical switches; Electronic components in the nature of capacitors; Electronic components in the nature of connectors; Electronic components in the nature of filters; Electronic components in the nature of oscillators; Electronic components in the nature of relays; Electronic components in the nature of switches; Electronic components in the nature of transformers; Electronic components in the nature of resistors; Electronic components in the nature of semiconductors; Electronic components in the nature of integrated circuits; Electronic components in the nature of rectifiers; Electronic components in the nature of transistors; Electronic components, namely, piezoelectric switches; Motorcycle helmets; Plug connectors; Power switches; Temperature controllers for warming and cooling medical and surgical liquids, equipment and instruments; Trip unit for circuit breakers; Voltage regulators for electric power