Something that’s commonly seen in wiring since the 1970s is copper-clad aluminium (CCA) wire. This is basically what the name says: an aluminium core that is clad in copper, making it a bimetal.

Today, that same problem-solving spirit drives one of the fastest-growing areas of Copperweld's business — Copperweld® Copper-Clad Aluminum (CCA) Building Wire. A Practical Approach to Modern ...

SILVER PLATED COPPER CLAD ALUMINUM (SPCCA) is available in the following forms - Santec’s all new TSL-570 is a high performance tunable laser with a wide tuning range and an output combining high ...

[Ken] boils down his process of building enclosures out of copper clad (PDF) circuit board material ... Next, he uses some 20 gauge wire as a shim between a ninety-degree joint and a right angle ...