Monoprice Plenum Speaker Wire is designed to meet the most stringent standards of safety for both residential and commercial applications.
Monoprice Speaker Wire, CMP Rated, 4-Conductor, 12AWG, 250ft, 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. Each version has uniquely colored inner jackets so you can easily match polarity at each end.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. Available in a variety of lengths and gauges, you can choose two-conductor versions, for connecting a single speaker, or four-conductor versions for connecting speaker pairs.