Board. The Board of Elevator Regulations.
Commissioner. The Commissioner of the Department of Public Safety.
Department. The Department of Public Safety.
Elevator. Moving stairways, dumbwaiters, moving walks, material lifts, wheelchair lifts, automatic people movers, vertical reciprocating conveyors, orchestra lifts, car lifts, and other associated devices, within the elevator industry recognized by the Board of Elevator Regulations except inclined stair lifts located and installed in residential homes.
Security System. Wires, conduits, apparatus, devices, fixtures, or other appliances installed and interconnected electrically or electronically to permit access control, proprietary signalling, surveillance and the detection of burglary, intrusion, holdup, or other conditions requiring response or the transmission of signals or audible alarms.
520 CMR, § 1.01