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The following other wikis use this file: Usage on ar.wikipedia.org أودو جوزيف ستروجر; Usage on az.wikipedia.org Proqramlaşdırılabilən məntiqi kontroller
The following other wikis use this file: Usage on af.wikipedia.org Skakelaar; Usage on ast.wikipedia.org Interruptor; Usage on bg.wikipedia.org Електрическа верига
SPST (single pole, single throw) switch symbol. Based on Image:SPST-symbol.png by User:Heron2. Date: 11 June 2006: Source: Own work: Author: Shaun A. Hill: Permission (Reusing this file) Modified under the Free Art License.
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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.
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