On 23 Sep, 20:14, Fred wrote:

I've
been given a lawnmower and a couple of old vacuums to take! I was
wondering, since these have electric motors, can I put them in with my
copper wire?

Enamelled electrical copper wire is its own category. "Dirtier" and
worth less than bare copper, but worth a good bit more than copper
with PVC still on it! It's worth you cutting the windings off the
motor laminations - an easy enough job if you're not trying to be
tidy. Laminations themselves should attract a better price than mixed
ferrous.