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  2. Electric stove - Wikipedia

    en.wikipedia.org/wiki/Electric_stove

    Ahearn and Warren Y. Soper were owners of Ottawa's Chaudiere Electric Light and Power Company. [4] The electric stove was showcased at the Chicago World's Fair in 1893, where an electrified model kitchen was shown. Unlike the gas stove, the electrical stove was slow to catch on, partly due to the unfamiliar technology, and the need for cities ...

  3. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    In a light commercial environment, more frequent wiring changes can be expected, large apparatus may be installed and special conditions of heat or moisture may apply. Heavy industries have more demanding wiring requirements, such as very large currents and higher voltages, frequent changes of equipment layout, corrosive, or wet or explosive ...

  4. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    The most common three-phase system will have three hot legs, 208 V to each other and 120 V each to the neutral. An older, but still widely used, high-leg delta system uses three phases with 240 volts phase-to-phase for motor loads, and 120 volts for lighting loads by use of a center-tapped transformer; two of the phases are 120 volts to neutral ...

  5. NEMA connector - Wikipedia

    en.wikipedia.org/wiki/NEMA_connector

    The 14-30 is limited to 30 amperes (24 amperes continuous) and used mainly for some electric clothes dryers and some electric cooking stoves. The NEMA 14 connectors are essentially the replacements for the older NEMA 10 connectors described above, but with the addition of a dedicated grounding connection.

  6. Ring circuit - Wikipedia

    en.wikipedia.org/wiki/Ring_circuit

    The ring circuit is still the most common mains wiring configuration in the UK, although both 20 A and 30 A radial circuits are also permitted by the Wiring Regulations, with a recommendation based on the floor area served (20 A for area up to 25 m 2, 30 A for up to 100 m 2).

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    mail.aol.com

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  8. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    In larger lighting systems, for example warehouses or outdoor lighting systems, the required current may be too high for a manual switch. In these systems light switches control lighting contactors, a relay that allows the manual light switch to operate on a lower current, with smaller wiring than would be required in the main lighting circuit.

  9. Knob-and-tube wiring - Wikipedia

    en.wikipedia.org/wiki/Knob-and-tube_wiring

    Other ceramic pieces would typically be used as a junction point between the wiring system proper, and the more flexible cloth-clad wiring found in light fixtures or other permanent, hard-wired devices. When a generic power outlet was desired, the wiring could run directly into the junction box through a tube of protective loom and a ceramic ...