Copper-clad aluminum wire (CCA wire) is a type of electrical wire that consists of an aluminum core that is coated or clad with a thin layer of copper. This combination aims to take advantage of the desirable properties of both metals: the lightweight and cost-effectiveness of aluminum, with the excellent conductivity of copper. ### Key Characteristics of Copper-Clad Aluminum Wire: 1. **Conductivity**: While aluminum has good conductivity, copper is superior.
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