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knife switch

noun, Electricity
1.
a form of air switch in which a moving element, usually a hinged blade, is placed between two contact clips.
Origin
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for knife switch
  • Open the knife switch and connect the wire from the bottom end of the nail to the terminal on the knife switch.
  • In order to restore normal power to the mall, the crew had to unlock and open a pad-mounted cabinet and throw a knife switch.
  • All knife switch blades shall be de-energized when the switch is in the open position.
  • Never open ground relay protective knife switch to prevent repeated tripping of ground relay.
British Dictionary definitions for knife switch

knife switch

noun
1.
an electric switch in which a flat metal blade, hinged at one end, is pushed between fixed contacts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for knife

12
13
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