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2. Hubbell Incorporated - Wikipedia

   en.wikipedia.org/wiki/Hubbell_Incorporated

   Hubbell had been one of the first to manufacture flush toggle switches for alternating current only. The first Safety Receptacle was designed and produced as were the original "grounding only" devices which helped to set the standards for the industry. And while Hubbell was busy on land, the company found new opportunities at sea.

3. William Robinson (inventor) - Wikipedia

   en.wikipedia.org/wiki/William_Robinson_(inventor)

   William Robinson was born in Ireland on November 22, 1840. [1]: 59 He came to the United States as a boy and lived in Brooklyn, New York for much of his adult life.[2]He received his B.A. degree in 1865 and his M.A. degree in 1868 from Wesleyan University.

4. James Warren York - Wikipedia

   en.wikipedia.org/wiki/James_Warren_York

   James Warren York (more commonly known as J. W. York) was a musician, businessman, business owner and musical instrument innovator. York was born November 24, 1839, in Exeter, New Hampshire , and died February 9, 1927, in Los Angeles, California .

5. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   A toggle light switch Internal components of a toggle switch. The toggle mechanism provides "snap-action" through the use of an "over-center" geometry. The design was patented in 1916 by William J. Newton and Morris Goldberg. [2] The switch actuator does not control the contacts directly, but through an intermediate arrangement of springs and ...

6. Power symbol - Wikipedia

   en.wikipedia.org/wiki/Power_symbol

   IEC 60417-5007, [6] the power-on symbol (line), appearing on a button or one end of a toggle switch indicates that the control places the equipment into a fully powered state. (1 or | means on.) IEC 60417-5008, [7] the power-off symbol (circle) on a button or toggle, indicates that using the control will disconnect power to the device. (0 or ...

7. The Clapper - Wikipedia

   en.wikipedia.org/wiki/The_Clapper

   The Clapper is a sound-activated electrical switch, [1] sold since 1984 by San Francisco, California based Joseph Enterprises, Inc. Joseph Pedott marketed the clapper with the slogan "Clap On! Clap Off! The Clapper!". [2] The Clapper plugs into a U.S.-type electrical outlet, and allows control of up to two devices plugged into the Clapper. [3]