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.

In Use Lights

Signal on freight elevators used to indicate that the elevator is either running or has the doors open. This is only used on freight elevators with manual bi-parting doors.

Tags:  operation Signals Fixtures

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