Article 310.10 Uses Permitted. The conductors described in 310.104 shall be permitted for use in any of the wiring methods covered in Chapter 3 and as specified in their respective tables or as permitted elsewhere in this Code.
Article 348.20 Size.
(A) Minimum. FMC less than metric designator 16 (trade size ½) shall not be used unless permitted in 348.20 (A) (1) through (A) (5) for the metric designator 12 (trade size ⅜).
Article 110.14 Electrical Connections. Because of different characteristics of dissimilar metals, devices such as pressure terminal or pressure splicing connectors and soldering lugs shall be identified for the material of the conductor and shall be properly installed and used.
Article 300.3 Conductors.
(C) Conductors of Different Systems.
Article 314.15 Damp or Wet Locations. In damp or wet locations, boxes, conduit bodies, or outlet box hoods, and fittings shall be placed or equipped so as to prevent moisture from entering or accumulating within the box, conduit body or fitting.