According to the standard, the distance between two consecutive tunnel lights in the elevator shaft is a maximum of 7 meters. And one is 50 centimeters from the bottom of the shaft and one is 50 centimeters from the bottom of the shaft ceiling
The minimum illumination of the shaft is 50 lux.

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Utana Industrial Group
Utana Elevator

Written by Engineer Amin Khademi#Topic 15-Standard 1-6303