What is an elevator apron?

Two-part telescopic retractable toe guard, or elevator apron, prevents toe injury, or falling of person into the elevator hoistway, in case when cab stops above landing floor.

Why can t you use elevators during a fire?

We all know not to use an elevator during a fire emergency, but do you know why that is? A fire can short out the electrical system, causing you to become stuck between floors. An elevator shaft acts like a chimney and can fill up with smoke quickly, putting you at risk of smoke inhalation.

What is an elevator used for?

elevator, also called lift, car that moves in a vertical shaft to carry passengers or freight between the levels of a multistory building. Most modern elevators are propelled by electric motors, with the aid of a counterweight, through a system of cables and sheaves (pulleys).

Why do smoke alarms save lives?

Conventional smoke alarms work by emitting a loud noise when smoke is detected, providing the vital early warning of fire, and therefore aiding escape.

Why does the elevator shake?

On the bottom of the elevator car are two sets of guide rollers that align the car to the shaft using the Guide Rails. There is a matching set of guide rollers on the roof of the car. The slight shake you experience is caused by the rollers interacting with the guide rails.

Should smoke detectors be interconnected?

Most new building codes require all smoke detectors to be interconnected. An interconnected smoke detector is a smoke detector that talks to the other smoke detectors in your home so that in the event of a fire if one smoke detector detects fire all of the smoke detectors will sound the alarm.

What is the NEC code for smoke detectors?

Remember, single-station 120-volt smoke alarms are covered by NEC Article 210. These smoke alarms are subject to the requirements for AFCI protection, whereas the low-voltage fire alarms covered by NEC Article 760 are not.

Are shaky elevators safe?

It shouldn’t be normal. It is caused by the improper alignment of the steel rails the elevator travels on in the elevator hoistway. These rails MUST be vertically plumb from top to bottom. They must also align horizontally facing each other.