The following amendments, additions, and/or deletions are made to Article 310 of the National Electrical Code: The following paragraph is added to Section 310.10, "Uses Permitted:" (C) Aluminum or copper-clad aluminum conductors. Aluminum or copper-clad aluminum conductors shall be permitted only for service and feeder use and shall not be smaller than #2 AWG. The following exception is added to Section 310.10, "Uses Permitted:" Listed Cable assemblies #2 aluminum or copper-clad aluminum conductors AWG and larger installed in single-family and multifamily dwellings, having grounding conductors sized in accordance with Section 250.122, "Size of Equipment Grounding Conductors," shall be excluded from the requirements set forth in (a)(l), above.