N.Y. Comp. Codes R. & Regs. tit. 12, § 8-1.1 – Definitions.

(a) Whenever used in this Part approved means approved by the Industrial Commissioner.
(b) Existing installations means installations made before March 1, 1923.
(c) Future; hereafter means installations made after March 1, 1923.
(d) Owner means the owner or owners of the freehold of the premises, or the lessee or joint lessees of the whole thereof, or his, her or their agent in charge of the property.
(e) Tenant means the person, firm or corporation in actual possession of the premises.
(f) Fireproof material means such material as specified in sections 8-1.60, 8-1.61 and 8-1.62.
(g) Fireproof floor and roof^* means a floor or roof so constructed and of such material as specified in section 264 and subdivision 2 of section 270 of the Labor Law and Industrial Code section 8-1.60.
(h) Fireproof partitions^* means partitions so constructed and of such material as specified in section 263 of the Labor Law and Industrial Code section 8-1.61.
(i) Fire door^* means a door so constructed and of such material as specified in section 8-1.62.
(j) Elevator shall mean all the machinery, apparatus and equipment directly used in raising and lowering in a vertical or substantially vertical direction, persons or freight in a car, or platform operating in permanent guides or rails. This does not include dumbwaiters.
(k) Elevator car or platform means the car or platform which is operated either in an elevator hoistway or in an unenclosed area.
(l) Power elevator means an elevator in which the motion of the car is obtained by applying energy other than by hand or gravity.
(m) Hand power elevator (see § 8-2.1, rules for hand power elevators).
(n) Passenger elevator means an elevator on which passengers or employees are permitted to ride.
(o) Freight elevator means an elevator used for carrying freight on which only the operator and the employees necessary for loading and unloading shall be permitted to ride.
(p) Dumbwaiter means all the machinery, construction, apparatus and equipment directly used in raising or lowering vertically a car, cage, or platform, shelf or shelves, the dimensions of which shall not exceed nine square feet in a horizontal section and four feet in height, and which are used exclusively for carrying small packages and merchandise.
(q) Platform elevator means a freight elevator, the platform of which is suspended from chains or cables from its four corners directly, or to two to one sheaves, and is without car crossheads and safeties.
(r) Sidewalk elevator means an elevator used for carrying freight and operated from a point below sidewalk level to the sidewalk or to a height not to exceed wagon or freight car loading level.
(s) Escalator means a moving continuous inclined stairway or runway used for raising or lowering persons.
(t) Automatic push button control elevator means an elevator, the operation of which is controlled by buttons in such manner that all landing stops are automatic.
(u) Hoist shall mean all machinery, apparatus and equipment when used in a hoistway for raising or lowering freight by means of a sling or hook without a platform or car.
(v) Electric elevator.
An electric elevator is an elevator in which the motion of the car is obtained by an electric motor directly applied to the elevator machinery.
(w) Hydraulic elevator.
A hydraulic elevator is an elevator in which the motion of the car is obtained by liquid under pressure.
(x) Plunger elevator.
A plunger elevator is a hydraulic elevator having a ram or plunger directly attached to the underside of the car platform.
(y) Single belted elevator.
A single belted elevator is an elevator in which the machine is connected to a reversible motor, engine or turbine by a belt or other similar means.
(z) Double belted elevator.
A double belted elevator is an elevator in which the machine is connected to a separate source of power, such as shafting, by two belts or similar means, and in which the direction of motion is changed without reversal of the prime mover.
(aa) Elevator machinery shall mean the hoisting machinery and its equipment used in the operation of the elevator.
(bb) Winding drum machine.
A winding drum machine is an elevator machine in which the cables are fastened to, and wind on, a drum.
(cc) Traction machine.
A traction machine is an elevator machine in which the motion of the car is obtained by means of traction between the driving drum, sheave or sheaves, and the hoisting cables.
(dd) Hoistway means any shaft, well-hole, hatchway or other vertical opening or space unenclosed, partly or wholly enclosed, in which the elevator car or dumbwaiter travels or in which material is raised or lowered by means of a sling or hook.
(ee) Landing means that portion of a floor, balcony or platform used to receive and discharge passengers or freight.
(ff) Travel means the vertical distance traveled by an elevator or dumbwaiter from the lowest to the highest landing.
(gg) Sliding door means a door sliding in a vertical or horizontal direction.
(hh) Swinging door means a door, one or more sections of which may swing outwardly.
(ii) Combination slide and swinging door means a door, one or more sections of which are sliding and sections of which may swing out.
(jj) Full automatic door or gate means a door or gate which is opened automatically by the action of the elevator car approaching any landing and closes automatically through the action of the car as it leaves or passes any landing.
(kk) Manually operated door or gate means a door or gate which is opened and closed by hand.
Note:
Hoistway doors that are closed through the action of a heat-releasing device are not considered self-closing.
(ll) Self-closing door or gate means a door or gate which is opened manually and which closes automatically through the action of the car as it leaves the landing.
(mm) Power driven door or gate means a door or gate which is opened and closed by motive power other than by the movement of the car.
1. (1) An interlock is a device which shall:
  1. (i) prevent the movement of the car:
    1. (a) unless only that hoistway door or doors, opposite which the car is standing, are closed and locked (door unit system), or
    2. (b) unless all hoistway doors are closed and locked (hoistway unit system);
  2. (ii) prevent the opening of a hoistway door or doors from the landing side: Note:
    1. (a) unless the car is standing at that landing, and
    2. (b) unless the car is coasting past the landing with its car-control mechanism in the STOP position.
      Note:
      The interlock shall not prevent the movement of the car when the emergency release hereinafter described is in temporary use, or when the car is being moved by a slow-speed car-leveling device.
2. (2) A hoistway door or gate shall be considered closed and locked when within four inches of full closure, if at this position and any other up to full closure the door or gate cannot be opened from the landing side more than four inches.
3. (3) Interlocks may permit the starting of the elevator when the door is within four inches or less of full closure, provided that the door can again be opened up to four inches from full closure from any position within this range except that of full closure.
  (oo) Electric contact.
4. (1) An electric contact is an electric device which shall:
  1. (i) prevent the movement of the car:
    1. (a) unless only that hoistway door or doors, opposite which the car is standing, are within two inches of the fully closed position (door unit system), or
    2. (b) unless all hoistway doors are within two inches of the fully closed position.
5. (2) The mechanical lock or latch on the door or gate shall be within the locking range, which shall not exceed two inches of full closure before the electric contact is closed.
  Note:
  The contact shall not prevent the movement of the car when the emergency release hereinafter described is in temporary use, or when the car is being moved by a slow-speed car-leveling device.
  (pp) Emergency release.
  An emergency release is a device the purpose of which is to make inoperative interlocks or electric contacts.
  (qq) Emergency key.
  An emergency key is an instrument for opening a lock or latch.
(nn) Interlock.