#1 BARE BRIGHT COPPER WIRE
Bare, uncoated, unalloyed copper wire free of attachments. All the insulation has been removed from the wire and it is free of solder and paint.
#1 COPPER TUBING
Bare, uncoated, unalloyed copper bus bar/pipe free of attachments.
#2 COPPER TUBING
Burnt copper, copper with light tin coating, solder, or brass fittings still attached.
#3 COPPER WITH TAR
Roofing copper with heavy tar, wood, or attachments.
#3 ROOFING COPPER
300 SERIES STAINLESS STEEL
Most common form of Stainless Steel, will not stick to a magnet.
304 STAINLESS STEEL
Must be analyzed and have no attachments. Commonly found in kitchen equipment.
316 STAINLESS STEEL
Must be analyzed and have no attachments. Used in food and boat industries.
500/750 INSULATED CABLE
Insulated Copper Cable with rubber jacket.
Must not contain other alloys of aluminum and be free of zinc corners, iron attachments, felt, plastic, paper, cardboard, and thermo break.
Aluminum with plastic insulated running through the middle.