Monoprice Plenum Speaker Wire is designed to meet the most stringent standards of safety for both residential and commercial applications.
Various Lengths and Gauges: Available in 12, 14, 16, and 18 AWG sizes, and in 50, 100, 250, and 500 foot lengths, Monoprice has the speaker wire that is perfect for your needs. The fire-retardant cable jacket bears the CMP plenum air space safety rating, making it ideal for use in any situation.. Monoprice Speaker Wire, CMP Rated, 2-Conductor, 14AWG, 100ft, Black It has been CMP rated as safe for use in the plenum ducts and airspaces of commercial class buildings, making it the ideal speaker wire choice for any situation.