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.

Demarcation Lights

Light fixtures installed just below the steps inside the truss located slightly ahead of the point where the steps leave and enter the comb plate. Used to assist passengers in boarding the escalator by designating the relationship between the fixed comb plate and the moving steps through illumination.

Tags:  escalator


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