The Electrical System gallery offers 159 illustrations of household wiring, switches, and other electrical elements. For electrical lighting, please see the Electric Lighting gallery.
Manipulation of the special flooring saw. (Finishing the cut).
Sectional elevation showing construction of the Ames-Stumph uniflow engine.
Oil-cooled or self-cooling transformer. (Tubular type)
Series lighting circuits.
A series circuit service switch.
A sheet-metal panel box.
Size wire for motor line.
A method of slotting joist for the reception of a conduit.
Multiple-plate static discharger. (Grid should bridge both sides of belt and should be as close to the…
Losses in a non-condensing steam plant.
Flexible steel armored cable.
In electronics, a switch is an electrical component that can break an electrical circuit, interrupting…
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.
Unit switchboard panels for 600-volt, direct-current, railway service.
A three phase circuit and voltmeter ground detector.
Symmetrical arrangement of conductors; an example of a three-phase circuit.
A high-speed simple engine belted to a small, three-phase generator.
Perspective view of the typical 2400-volt, three-phase switchboard for power and lighting service in…
The four-wire, three-phase system.
A diagram illustrating one type of time-limit relay. Diagrammatic drawing of a time-limit circuit breaker.
An open, portable transformer with inserted cable.
An air-blast transformer installation.
A typical transformer sub-station.
Runner of a mixed-flow turbine.
Arrangement of the electrical equipment in a modern steam-turbine generating station.
A schematic diagram for an ungrounded neutral three-phase electrolytic protector.
Sectional elevation through the cylinder of a Skinner-poppet-valve uniflow engine.
An automatic voltage regulator for small capacity exciters mounted on a 31 inch panel for insertion…
The water-cooled transformer.
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.
A wireman running flexible armored cable in a flooring space.
A method of running wires past bracing.
Wiring where a panel box is necessary.
Wiring a small frame building.
Exploring a wiring space with flash lamp and mirror.
The principles of operation of the Wright demand meter.