2.26.2 Electrical Protective Devices
When an electrical protective device is activated (operated, opened], it shall cause the electric power to be removed from the elevator driving-machine motor and brake. [See also 2.26.3, 18.104.22.168, 22.214.171.124, 2.26.7, 126.96.36.199(c), 188.8.131.52, and 184.108.40.206.] Electrical protective devices shall be provided as specified in 220.127.116.11 through 18.104.22.168.
Compensating-rope sheaves shall be provided with a compensating-rope sheave switch or switches mechanically opened by the compensating-rope sheave before the sheave reaches its upper or lower limit of travel.
(a) a common actuating means (e.g., a governor shaft or sheave] that is not physically part of the speed-sensing devices shall be permitted for the actuation of both the speed-sensing device of the overspeed detection device and the governor overspeed switch
Emergency stop switches shall
(a) be of the manually opened and closed type
(b) have red operating buttons of the push-to-stop configuration
(c) be conspicuously and permanently marked "STOP," and shall indicate the "STOP" and "RUN" positions
(d) while opened, cause the audible device to sound (see 22.214.171.124)
An electrical device conforming to 126.96.36.199.1(f) shall be provided on the car top emergency exit cover.
The switch shall be clearly and permanently marked "STOP" and shall indicate the "STOP" and "RUN" positions.
Access openings in the hoistway shall be provided with a locking device where required by 188.8.131.52.
(a) be positively opened by a device attached to and operated by the ladder
(b) not use mercury tube switches