1. (a) Control systems that depend on the completion of an electric circuit shall not be used for:

   1. (1) interruption of power and the application of the brake at the terminals;
   2. (2) stopping the car when the emergency stop switch in the car is opened, or when any of the electrical protective devices operate;
   3. (3) stopping the machine when the safety applies.
2. (b) If springs are used to actuate switches, contactors or relays, or to break the circuit to stop a car or carriage at a terminal, they shall be of the restrained compression type.
3. (c) The failure of any single magnetically operated switch, relay or contactor to release in its intended manner, or the occurrence of a single accidental ground, shall not permit the car to start if any hoistway door, car door, or gate is not in the closed position.

4. (d) If an instantaneous reversible motor is not used, a protective device or circuit shall be provided to prevent the motor from continuing in the same direction if the reversing control is actuated.

   (Title 24, Part 7, Section 7-3093.38)

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.

History

1. New section filed 7-22-86; effective thirtieth day thereafter (Register 86, No. 36).

2. Editorial correction of subsection (d) (Register 95, No. 34).

3. Amendment of section heading and section filed 8-29-2001; operative 9-28-2001 (Register 2001, No. 35).