Connecticut Administrative Code
Title 19 - Public Health and Safety
411 - Vertical Wheelchair Iifts
Section 19-411-C24 - Operating devices

Universal Citation: CT Reg of State Agencies 19-411-C24

Current through September 9, 2024

(a) Types of operation. Operation of the platform from the upper or lower landings and on the platform shall be controlled by a key. The key operated control shall be operated by a lock having five (5) pins with the key removable only from the "off" position. A key switch shall be provided at each station which will allow a control switch at that station to become effective only when the key is in the "on" position. "Up" and "down" control switches at all stations shall be by means of a constant pressure device.

(b) Control and operating circuit requirements. The design and installation of the control and operating circuits shall conform to the following:

(1) Control systems which depend on the completion or maintenance of an electric circuit shall not be used for:
A. Interruption of the power and application of the machine brake at terminals.

B. Stopping the machine when the safety applies.

(2) If springs are used to actuate switches, contractors, or relays to break the circuit to stop an elevator at the terminal, they shall be of the restrained compression type.

(3) The failure of any single magnetically operated switch, relay or contractor, to release in the intended manner or the occurrence of a single accidental ground shall not permit the car to start if the hoistway door or platform door or gate is not in the closed position. It shall not permit the platform to move more than two inches away from a floor with the entrance door unlocked.

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