#1 Bare Bright Copper Uncoated, no smaller than no. 16 wire gauge; Insulation must be removed before, cannot be corroded and no paint. Must be shiny, not burnt.
#1 Copper Tubing Tubing and fittings, no threads, no paint, uncoated and no solder.
#1 Copper Wire Single strand of copper. Braided copper must be thicker than pencil lead.
#2 Copper Tubing that has corrosion, has solder or paint; striped wired down to 20 gauge. (Opposite of #1 Copper)
Sheet Copper Copper sheet, guttering or roofing copper.
Insulated #1 Copper Wire Single strand of copper, and braided copper must be thicker than pencil lead. (Example: house wire)
Insulated #2 Copper Wire All other insulated wire down to 20 gauge. (Example: extension cords, automotive wire)
Insulated #3 Copper Wire Insulated copper wire, Ethernet or phone wire. (communication wire)
Insulated #4 Copper Wire Christmas lights.
Stainless Steel Must be pure, no attachments and needs to be inspected; generally not magnetic.
Clean Aluminum Not magnetic; must have all rubber, foam, plastic, iron removed (considered dirty or breakage if this description is not met); not cast. (Example: home siding, window frames)
Cast Aluminum Aluminum that has been made in a molding; it will crack, where regular aluminum will not; must be free of rubber, foam, plastic and iron.(i.e. non-magnetic)
Aluminum Radiators Must be free of steel and plastic, and all liquid must be drained; not magnetic.
Aluminum Wheels Lead wheel weights, valve stems, and plastic caps need to be removed; two types – chrome and alloy; not magnetic.
Copper Aluminum Radiators (ACR) Radiator that is only made of aluminum and copper; the brass, plastic, iron needs to be removed. (Example: air conditioner coils)
Aluminum Cans Cans – no plastics or trash in the bags; can be crushed or not crushed; food cans are not aluminum.
Brass Steel and iron must be removed. (Examples: faucets, taps, valves)
Lead No steel, foil or paper attachments; generally a softer, heavier metal that is bendable or has dents.
Sealed Units Compressor unit from AC or cooling units; must be drained of all fluids.
Electric Motors Motor only. (Example: ceiling fan motor)
Auto Batteries Lead-acid only accepted no holes and battery intact.
Ballasts From fluorescent light fixtures; must say no PCBs.