MODUS

electric apparatus; namely, control keys for electric apparatus, switches, commutators, reversing switches, remote control switches, plugs and sockets, push buttons, safety valves, electromagnetic valves, thermoelectric valves, fuse valves, relays, isolating switches, electric bells, thermostats, signally and alarm units, pilot light indicators, electric conductors, terminals and transformers; porter's switchboards, table-intercoms and telephones, thermometers, hygrometers and barometers, photoelectric cells