75 Ft 22 AWG 4-Conductor Stranded Speaker Wire Gray Audio Cable Copper Strand Wire Flame Retardant PVC Insulation UL Listed 22/4 Speaker Cable, By NAC Wire and Cables Cable can come on a Spool or Coiled. 22 AWG Stranded Copper Conductors, Standard color-coded conductor jackets keep track of functions UL or ETL Listed, OSHA Acceptable, NEC Type CL2 Suitable for Residential and Commercial Use Flame Retardant PVC Jackets, Excellent for Intercom Systems, Remote Control Units, Doorbells, Alarms and Other Power-Limited Applications