Classroom on demand

Welcome to Classroom on demand, your source for educational materials related to the vertical transportation industry. This site represents the knowledge and expertise of the best engineers and mechanics in the elevator industry, and will help those new to the elevator industry learn about the basic workings of elevator systems, and also will serve as a reference for people with more experience.

Emergency Circuit

A portion of the elevator control wiring that includes a number of mechanical switch contacts and related contacts in series. Usually includes the final limits, emergency stop button, governor contacts and a safety-operated switch. The cause of operation of any one of these contracts constitutes a possible hazard to the operation of the elevator and therefore stops all operation. Also called the safety circuit.

Tags:  Safety

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