Southwire 37105471 XHHW Building Wire, Copper, 12 AWG, 1 Conductor, Stranded, Yellow, 500 ft, 600V, Spool 226 CXO 444A57 McMaster 2427K122 Standard Wall 304 304L Stainless McMaster 2427K122 Standard Wall 304 304L Stainless Steel Threaded Pipe Threaded on Both Ends 320 A (at 40°C for 1 min Power Circuit) which provides increased heat and moisture resistance over other types of building wire Trade Designation XHHW Conductor Material Copper Conductor Size 12 AWG Number of Conductors 1 Conductor Design Stranded Conductor Insulation Color Yellow Voltage 600 V Overall Length 500 ft Standards UL Listed Country of Origin United States