limit switch

English

Noun

limit switch (plural limit switches)

  1. (electrical engineering) Originally, a device used to define the limit of travel of an object.
    • 1956 May, “London Transport Diesel-Electric Cranes”, in Railway Magazine, page 338:
      Limit switches are provided in the hoisting motion, and in the derricking motion, to limit the amount of travel in both directions.
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