Mediabridge 12AWG 4-Conductor Speaker Wire (100 Feet, White) - 99.9% Oxygen Free Copper - ETL Listed & CL2 Rated for In-Wall Use (Part# SW-12X4-100-WH ) Connect your speakers to your A/V receiver or amplifier with this 4-conductor speaker wire. High-strand count oxygen free copper (0.16mm x 165 strands) 12 AWG conductors. Pair with banana plugs, spade tips, or bent pin connectors for professional custom installations. Tough, yet flexible white insulated jacket is color coded for polarity and is marked at 3FT intervals for easy installation. ETL Listed & CL2 Rated for In-Wall Use.