When installing a service mast, the hubs used with the conduit that serve the service mast shall be _____________.
any type of hub.
identified for use with service-entrance equipment.
identified for use with feeder conductors.
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].