The Electrical System gallery offers 159 illustrations of household wiring, switches, and other electrical elements. For electrical lighting, please see the Electric Lighting gallery.
Multiple-plate static discharger. (Grid should bridge both sides of belt and should be as close to the…
In electronics, a switch is an electrical component that can break an electrical circuit, interrupting…
a mechanical, electrical, electronic, or optical device for opening or closing a circuit or for diverting…
A small "standard-unit" switchboard for two compound-wound direct-current generators and seven feeders.
Front view of a switchboard panel for a single compound-wound direct-current generator.
Perspective view of the typical 2400-volt, three-phase switchboard for power and lighting service in…
A diagram illustrating one type of time-limit relay. Diagrammatic drawing of a time-limit circuit breaker.
Arrangement of the electrical equipment in a modern steam-turbine generating station.
A schematic diagram for an ungrounded neutral three-phase electrolytic protector.
An automatic voltage regulator for small capacity exciters mounted on a 31 inch panel for insertion…
A gravity-type waterwheel, the most efficient wheel for very low heads and small quantities of water.
A Westinghouse oil-insulated, self-cooling choke coil for pressures from 25,000 to 70,000 volts.
A Westington electrolytic protector for a three-phase, ungrounded neutral 22,000-volt circuit.