-Bare Bright (bright and shiny copper wire that is #2 pencil lead size or thicker)
-#1 Copper (no brass, thin copper wires, solder joints, paint, lacquer, or corrosion)
-#2 Copper (no brass, may have solder joints, paint, lacquers, and thin copper wires)
-#3 Sheet Copper (roof flashing, decorations, gutters, ect)