... % copper copper coated aluminum CCA wireCopper clad aluminum is a composite wire consisting of an aluminum core clad withcopper. ... Even though the material is 85 - 90% aluminum, the wire has high frequencyelectrical properties equal to solid copper. ... . producesa broad line copper clad aluminum wire, copper clad aluminum magnesium alloy wire,Tinned copper clad aluminum wire, copper clad bare, plated, ...