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.

But when he shows the ends of the core, you’ll see that the side that attracts aluminum has a copper ring embedded in it. The coil is fed with AC. The magnetic field from the coil induces an ...

However, aluminum is a reactive metal and non-magnetic, so adding the layers of steel gives you the best of both worlds. Copper is also a common material in the “core” of stainless cookware.

Metals in the Energy Transition What seems to be front and center in copper and aluminum markets is the global move toward green energy and electrification with many government bodies setting ...