Mass. Gen. Laws ch. 143 § 71E
As used in sections 62 to 71F, inclusive, the term "elevator" shall include moving stairways, dumbwaiters, moving walks, material lifts, wheelchair lifts, automatic people movers, vertical reciprocating conveyors, orchestra lifts, car lifts, limited use elevators or limited application elevators 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.
As used in this section and sections 62 to 71F, inclusive, "limited use elevator" or "limited application elevator" shall mean a power passenger elevator with a weight capacity that does not exceed 1,400 pounds, has a travel distance that does not exceed 25 feet and is not integrated with a fire detection system.
Mass. Gen. Laws ch. 143, § 71E