Code Quiz: Service Masts as Supports

Fill in the blank with the appropriate answer.

When installing a service mast, the hubs used with the conduit that serve the service mast shall be _____________.

1. any type of hub.
2. identified for use with service-entrance equipment.
3. identified for use with feeder conductors.
4. listed for grounding.

See answer and applicable Code reference

The correct answer is: 2) identified with use for service-entrance equipment

Section 230.28(A) of the 2014 NEC requires hubs to be identified for use with service-entrance equipment.

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].