Accumulator boxes; Commutators; Computer chips; Electric accumulators for vehicles; Electric connections and connectors; Electric contacts; Electric light dimmers; Electric switches; Electrical plugs and sockets; Electronic chips for the manufacture of integrated circuits; Illumination regulators; Integrated circuits; Inverters; Lighting ballasts; Lighting control panels; Static voltage regulators; Voltage regulators; Voltage stabilizing power supply; Voltage surge protectors