Master Cable &bull; CL3 Rated 2-conductor Pure Copper Cable USA Made 14 Gauge, 250 FT 14 Awg 2 Conductor High Strand Copper CL3 Rated In Wall/Ceiling Applications Pro-Installer Series Flexible No Kink Jacket Exceptional performance, sound quality for professional speaker and audio connections Conforms to UL Std, ETL Certified and RoHs Compliant