There are many words and names used for different materials when talking about scrap and recyclables. Bare Bright Copper Wire is considered to be the gold of this industry. It is copper wires and cables, which have been stripped of their outer plastic coating, unalloyed, unburnt, free of attachments and contaminations. The copper wires can't be smaller than 16 gauge.
You can view Bare Bright #1 Copper Wire prices here: