routers, pushbutton, triode, connectors, rectifiers, sockets, adapters, variable resistor, programmable, rheostat, potentiometer, baud rate, shifters, toggles, oring, dials, cabling, subminiature, multiplexer, demultiplexer, detents, impedances, knobs, photocell, windings, thyristor, busbar, ethernet, mesh topology, topologies, daisy chaining, wattages, gige, midplane, voltage, latches, microswitch, actuator, mux, handwheel, configurations, disconnects, josephson junction, synchroniser, arresters, solenoid, digital voltmeter, commutator, tachometers, strain gage, interfaces, uart, synchronizer, trunnion, flips, nodes, ammeter, stators, rotor shaft, overloads, asynchronous transfer mode, switchboards, ballasts, fibre optics, plugs, opto, pcb, circuitry, phototransistor, wiring, bevel gear, voltmeter, voltage divider, annunciators, lambdas, fader, bistable, servomotor, network topology, thermistor, nonvolatile storage, omnidirectional antenna, capacitances, lights, passband, scart, phono, ignition switch, servers, crystal oscillator, selectable, interleaving, sensors, coupler, thumbwheel, humidistat, microphonic, routing, interconnect, countershaft, expander, overvoltage, switch, relays, actuators, contactors, fuses, devices, pumps, gauges, transducers, counters, relay, hoists, machines, probes, thermostats, transformers, controllers

bank, board, control board, control panel, dip switch, dual inline package switch, instrument panel, panel, switchman