North Dakota Administrative Code
Title 24.1 - State Electrical Board
Article 24.1-06 - ELECTRICAL WIRING STANDARDS
Chapter 24.1-06-02 - WIRING AND PROTECTION
Section 24.1-06-02-30 - (NEC 230) Services

1. Perpendicular mast used for support of a service may not be less than two-inch [5.08-centimeter] galvanized rigid steel conduit or intermediate metal conduit, fitted with storm collar flashing.

2. Outside switch location. The equipment may not be mounted lower than two feet [.61 meter] above grade level unless listed for such purpose.

3. All services in single-family dwellings must be located in a single accessible location.

Exception: Special permission shall be granted by the electrical inspector for a second service location to be added where there is no available space for the service equipment. The second service location must be installed in accordance with article 230.2, 2023 edition, National Electrical Code (first version, printed in 2022).

4. Rating of service switch. Any new or old single-family dwelling where the main house panel or service is altered or repaired, the dwelling is moved, or where the dwelling is rewired, a minimum one hundred ampere service-rated panel must be installed. Replacement of service mast or meter enclosure is an alteration of the service.

5. For the purpose of separating services within one building, each portion of a building separated by one or more fire walls must be considered a separate building as defined by the locally adopted codes or the State Building Code and state fire codes.