Copper bus bar with silver contact best way to process

Originally Posted by TheDude80

Not to Hijack the thread but what do these come out of? I've seen several listings do well on Ebay if you're not going to refine them yourself. There's an auction that recently ended for 3.6 pounds which sold for $110 plus shipping. Of course there is the 12.9 percent fee you have to consider (10 % for ebay and 2.9% for paypal).

There are contacts in all switches. Motor starters, circuit breakers, push buttons, toggle switches and on and on. The key is the type of contact and the metal the silver is alloyed with. Some contacts yield 40% silver while others my yield 80%, while others still may be coin silver at 90%.