limit switch

noun

limit switch

noun

1

Business, Electrical, Electrical engineering, Electricity, Electromagnetism, Energy, Engineering, Natural sciences, Physical sciences, Physics Originally, a device used to define the limit of travel of an object.

Limit switches are provided in the hoisting motion, and in the derricking motion, to limit the amount of travel in both directions.1956 May, “London Transport Diesel-Electric Cranes”, in Railway Magazine, page 338:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.