Safety Measures

Safety Features in Elevators
Today's elevator systems incorporate a wide variety of features designed to help reduce the chances of accidents and give passengers a quick, dependable ride. These are—
Safety Brakes together with a speed-sensing governor, acts to stop an elevator if it should overspeed in the down direction
The door system on a modern elevator includes sensors detect passengers or objects in the door opening, preventing the continued closing of the doors. More modern systems use a large number of invisible light rays to detect people or objects in the doorway and reverse or stop the doors without having to make physical contact

Interlocks on the hoistway doors help assure that the elevator cannot leave a landing unless the doors are fully closed and secured. Should the doors be forced open, the interlock circuit will be broken, causing the elevator to immediately stop.

Various switches in the elevator shaft detect the presence of the car at certain stages of its journey. They initiate slowdowns and stops at the proper points, and help prevent over travel in the up or down direction.

An elevator cab comprises of several items to help increase safety. An emergency alarm switch will sound an alarm when activated by a passenger. In most elevators, an emergency telephone or intercom can serve as a link to assistance if the car should stall. And, in the event of a power failure, emergency lighting maintains illumination for hours. In some systems, emergency power is available to permit movement of the elevator and evacuation of the passengers.

In many elevator systems, a special fire emergency system is installed that can be manually activated, or may respond to smoke sensors in the building.

Safety Precaution for Elevators and Escalators
Today, elevators are used widely all over as the world's safest form of public transportation. Elevators provide passengers with incomparable ease, reliability and efficiency. Though, elevators with many built-in, dependable features are amazingly safe, still there are certain guidelines that should be followed--

Never ever overload the elevator beyond the stated capacity
Today's elevators are designed to stop nearly even with the building floor. However, a disoperation could cause any elevator to mislabel.