Mediabridge 16AWG Speaker Wire w/Pull-Out Box (500 FT, White) - 99.9% Oxygen Free Copper - CL2 for in-Wall (SW-16X2-500-WH) Connect your speakers to your a/V receiver or amplifier with This 2-conductor speaker wire (also available in 4-conductor). High-strand count 99.9% Oxygen free copper (0.16mm x 66 strands) 16 AWG conductors. Pair with banana plugs, spade tips, or bent pin connectors for Professional custom installations. Tough, yet flexible White insulated jacket is marked with a stripe on one side for polarity and is marked at 2ft intervals for easy installation. Rated CL2 by Underwriters Laboratories for in-wall use.