New Jersey Administrative Code
Title 12 - LABOR AND WORKFORCE DEVELOPMENT
Chapter 185 - PITS AND QUARRIES (SAFETY REGULATION NUMBER 12)
Subchapter 23 - ELECTRICAL EQUIPMENT
Section 12:185-23.5 - Motors and generators

Universal Citation: NJ Admin Code 12:185-23.5

Current through Register Vol. 56, No. 18, September 16, 2024

(a) All electrical connections to motors shall be guarded in order to prevent accidental contact therewith.

(b) Alternating current motors and starting devices shall be protected by a fuse or automatic circuit breaker in each ungrounded wire. When circuit breakers are used, two overload trip coils shall be used for ungrounded neutral systems, and three overload trip coils for grounded neutral systems. In either case the automatic circuit breaker shall operate so that the opening of one phase will open the other phases. Switches shall be provided for isolating the fuses or circuit breakers from the live source.

(c) Overload release devices on starting rheostats and compensators shall not be considered as taking the place of circuit breakers if such devices are inoperative during the starting of the motor.

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