E3803.11 Under Buildings
Underground cable and conductors installed under a building shall be in a raceway. [300.5(C)]
Exception: Type MC Cable shall be permitted under a building without installation in a raceway where the cable is listed and identified for direct burial or concrete encasement and one or more of the following applies:
- The metallic covering is impervious to moisture.
- A moisture-impervious jacket is provided under the metal covering.
- The insulated conductors under the metallic covering are listed for use in wet locations. [300.5(C) Exception 2]