12 AWG In Wall Speaker Wire 4-Conductor Bi-Wire Cables - CL2 Rated - Oxygen Free Copper (OFC), White Length:250 Feet and black is the negative

and  black  is  the  negative  of  the  circuit

server applications

Bonded GPT Wire Reel - Cables on reels are the best way to store cables because they avoid the risk of breakage

or certain ranges of frequencies

12 AWG In Wall Speaker Wire 4-Conductor Bi-Wire Cables - CL2 Rated - Oxygen Free Copper (OFC), White Length:250 Feet and black is the negativePREMIUM OXYGEN FREE COPPER (OFC) 4 CONDUCTOR WIRE Use this Pro Series OFC Speaker Wire Cable that's build with high strand count, 4 conductors color coded PVC for easy polarity identification for your bi wiring or bi amping projects. UL CL2 RATED FOR CUSTOM INSTALLATIONS You can make sure you get the highest safety standard when you use this GearIT Pro Series UL CL2 rated speaker wire for In wall installation or to pair with banana plugs, spade tips,