Acoustic couplers; Battery chargers; Burglar alarms; Circuit breakers; Connections, electric; Contacts, electric; Electric cables, wires, conductors and connection fittings therefor; Electric junction boxes; Electric switches; Electrical distribution boxes; Electrical fuses; Electrical plugs and sockets; Electrical power distribution units; Junction sleeves for electric cables; Network access server hardware; Network routers; Network servers; Resistance measuring instruments; Theft alarms; US...