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  2. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    The toggle light switch was invented in 1916 by William J. Newton. [2] As a component of an electrical wiring or home wiring system, the installation of light switches is regulated by some authority concerned with safety and standards. In different countries the standard dimensions of the wall mounting hardware (boxes, plates, etc.) may differ.

  3. Switch - Wikipedia

    en.wikipedia.org/wiki/Switch

    A toggle DIP switch with four inputs and outputs Bank of toggle switches on a Data General Nova minicomputer front panel Toggle switches with the shared cover preventing certain forbidden combinations. A toggle switch or tumbler switch is a class of electrical switches that are manually actuated by a mechanical lever, handle, or rocking mechanism.

  4. Vandal-resistant switch - Wikipedia

    en.wikipedia.org/wiki/Vandal-resistant_switch

    The switches are at the rear of the unit; only LED lights are on the front of the panel. When the unit is rack-mounted into a wall or rack unit, this means that only official personnel (who are able to access the back of the panel) can change the settings or use the unit. Another variant on this design is to cover the switches with a locked panel.

  5. IEC 60204 - Wikipedia

    en.wikipedia.org/wiki/IEC_60204

    IEC 60204-1 is scoped to cover the electrical equipment of machines that operate in the low-voltage range, generally accepted to be 1000 V a.c. or less, or 1500 V d.c. or less. Equipment within the scope is typically built from off-the-shelf components assembled into a suitable electrical enclosure, with the necessary interconnecting wiring and ...

  6. Square D - Wikipedia

    en.wikipedia.org/wiki/Square_D

    Horton, an 1895 electrical engineering graduate of the University of Michigan, was credited with the invention of the safety switch, which encased high voltage switches and started the company's main line of business of circuit breakers and encased control panels. [2] Their first enclosed safety switch was introduced in 1909.

  7. Category:Safety switches - Wikipedia

    en.wikipedia.org/wiki/Category:Safety_switches

    Pertains to electrical switches intended to protect the equipment or end users from harm during fault conditions or other hazardous situations. Subcategories This category has the following 2 subcategories, out of 2 total.

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