What do a.m. and p.m. stand for?

limit switch

a switch that automatically cuts off current to an electric motor when an object moved by it, as an elevator, has passed a given point.
Origin of limit switch
1925-30 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for limit switch
  • The following diagram shows a mechanical limit switch wired to a pair of indicator lights.
  • The hoist upper limit switch can be used as a stop only when the hoist is equipped with a backup limit switch.
  • Raise empty hook at creep until limit switch trips and stop hoisting motion.
  • For example, it is not the intent to manually operate and test each limit switch.
  • The power to the machine is on and the only thing preventing that cylinder from turning is a limit switch.
  • The upper limit switch should not be used as an operating control, unless the hoist is equipped with a backup limit switch.
  • Removal of either or both hands before the activation of the limit switch will stop or reverse the closing cycle.
  • As a result of the collision, the load limit switch box for the whip line was torn loose from the port side crane boom.
  • The limit switch shaft shall be stainless steel, and cams shall be secured thereto with set screws.
  • In addition, mines should inspect the hoist limit switch to make sure it is properly adjusted and working.

Word of the Day

Difficulty index for limit switch

Few English speakers likely know this word

Word Value for limit

Scrabble Words With Friends