Are you concerned that all the little pieces will get lost in a box or such or will be hard to handle? Because I deal with all small gauge insulated wire, it all goes into grocery plastic sacks (I never have huge amounts of it). If there's a couple of these bags, they go into a box. At the "yard", I just hand the guys the box and they do the rest (usually give me my box back).

If you have small stuff that's "bare bright" copper, I place it in ziploc-type sandwich bags and place those in my #2 Cu box. Usually the vast majority of my copper goes as #2. Keeps the little stuff from being a pain to handle for the guys at the recycle shop. But as been mentioned, every yard does things a bit differently so you're first time in will be a learning lesson...