Messenger-Supported Wiring

The messenger of messenger-supported wiring shall be supported at dead ends and at intermediate locations so as to eliminate _____ on the circuit conductors.

a) static
b) magnetism
c) tension
d) induction

See answer and applicable Code reference

The correct answer is: c) tension

Article 396 covers the use, installation, and construction specifications for messenger-supported wiring. As per 396.30(A), "The messenger shall be supported at dead ends and at intermediate locations so as to eliminate tension on the conductors. The conductors shall not be permitted to come in contact with the messenger supports or any structural members, walls, or pipes."

 

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