Speaker Wire - 16 AWG, 2 Conductor, CMP-Rated, UL Plenum Rated, 100 Percent Pure Bare Copper with Color Coded Conductors, 500 Feet, Black - Nimbus...

The Plenum (CMP) rating signifies that the cable meets fire safety and insurance standards, ensuring safe installation within the walls of residential and enterprise class buildings. This speaker wire incorporates conductors constructed from high purity oxygen-free bare copper. Plenum speaker wire employs a premium material that is softer and offers greater flexibility than traditional plenum rated jackets. Easily distinguishable red and black conductors