Code Quiz: Masts as Supports

March 20, 2014
NEC rules on using a mast as a support for feeder and/or branch circuit conductors

Fill in the blank with the appropriate answer.

When using a mast as a support for feeder and/or branch circuit conductors, only __________ shall be permitted to be attached to the feeder and/or branch circuit mast.

A. insulated conductors

B. service conductors

C. feeder or branch circuit conductors specified within 225.17

D. low-voltage conductors

Find the Answer

Answer: C

Article 225 covers the requirements for outside branch circuits and feeders. As noted in Sec. 225.17, when using a mast as a support for feeder and/or branch circuit conductors, only feeder or branch circuit conductors specified within this section shall be permitted to be attached to the feeder and/or branch circuit mast.

Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].

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Steven Owen

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