Motor Terminal Torque Requirements

Torque requirements for motor control circuit device terminals shall be a minimum of _____ lb-in. (unless otherwise identified) for screw-type pressure terminals used for 14 AWG and smaller copper conductors.

a) 7
b) 9
c) 10
d) 15

See answer and applicable Code reference

The correct answer is: a) 7

Article 430 covers the requirements for motors, motor circuits and controllers. Motor terminal requirements can be found in Sec. 430.9. As per 430.9(C), "Control circuit devices with screw-type pressure terminals used with 14 AWG or smaller copper conductors shall be torqued to a minimum of 7 lb-in. unless identified for a different torque value.

 

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