The control system of an elevator consists of a low voltage circuit, that supplies the motor brake and the relay coils. In this link you can see a basic circuit, designed for educational purpose. At ...

The elevator at [Alex]’s office building has some quirks which make it very inconvenient to everyone in the building. The major problem was that the doors of the elevator at each floor stay locked ...

This file type includes high resolution graphics and schematics when applicable. According to the research firm IHS Inc., about 54 million relays and timers were purchased in 2013, a number projected ...

The many codes and guidelines that regulate the electrical design of an elevator can seem overwhelming, and dealing with the electrical inspector, elevator inspector, and Fire Marshal can be even more ...