N.Y. Comp. Codes R. & Regs. tit. 12, § 8-1.42 – Passenger and freight elevators.

(1) All elevator cars shall be properly lighted while in service.
Exceptions:
(1) Automatic trap door elevators. (2) Sidewalk elevators. (3) Platform elevators.
1. (2) All entrances to the hoistway shall be properly lighted while the cars are in service.
2. (3) The intensity of illumination as required by paragraphs (1) and (2) of this subdivision shall not fall below 0.50 foot candle power at floor level. (See “note” to § 8-1.25 [b].)
  (b) Signal.
  All elevators shall be provided with a bell or buzzer in the hoistway or in the car suitable for the service and operated from each landing, and on freight elevators where no regular operator is employed, such bell or buzzer shall be used as a warning before moving the elevator.
  Exceptions:
(1) Sidewalk elevators. (2) Where there are two or more passenger elevators making trips continuously and stopping at all floors during business hours, not less than one such elevator used for service after business hours shall have an annunciator and floor push buttons.

(a) Lighting.