Plain-language definitions

Glossary

Plain-language definitions for common commercial elevators, lifts and vertical-transportation systems terms.

Elevator modernization

A substantial upgrade of selected elevator systems rather than a complete new installation.

Traction elevator

An elevator moved through traction between ropes or belts and a driving sheave.

Hydraulic elevator

An elevator moved using hydraulic equipment.

Machine-room-less elevator

An elevator arrangement that places major drive equipment within or adjacent to the hoistway rather than a traditional machine room.

Hoistway

The enclosed vertical space in which an elevator car and related equipment travel.

Pit

The space below the lowest landing in an elevator hoistway.

Controller

Equipment that manages elevator operation, movement and logic.

Door operator

Equipment that opens and closes the elevator car door.

Callback

A service visit made in response to a fault, shutdown or operating complaint.

Maintenance control program

A documented program for required elevator maintenance tasks and records where applicable.

Authority having jurisdiction

The regulator, inspector, building official or other authority responsible for applicable requirements.