Which of the following is a function of a safety interlock switch?

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A safety interlock switch protects workers by making sure guards are in place before the machine can run, and by stopping the machine if the guard is opened or removed. When the guard is not properly closed, the interlock interrupts the control circuit to prevent energizing the machine. It also prevents startup if the guard isn’t in place, so hazards aren’t energized while access is possible. In many safeguarding setups, this interlock helps keep the operator from moving dangerous parts by ensuring the machine cannot move until the guard is secured. Because of these combined effects, all of these are functions of a safety interlock switch.