90.7 and Sec. 300.1(B)]. The minimum sizes of conductors are 14 AWG copper or 12 AWG aluminum or copper-clad aluminum, except as permitted elsewhere in the Code [Sec. 310.3(A)]. For example, you can ...

aluminium is a fine choice as electrical conductor, but that doesn’t mean that it is the only option. Something that’s commonly seen in wiring since the 1970s is copper-clad aluminium (CCA ...

Today, from its homebase in the Midsouth USA, Copperweld manufactures bimetallic conductors engineered ... Copperweld's business — Copperweld® Copper-Clad Aluminum (CCA) Building Wire.