12-gauge, 2-conductor power limited circuit and communication cable. Ideal for use in security systems, communications, intercom or PA systems, and sound or audio applications. Features PVC (polyvinyl chloride) insulation. Temperature rating: -20 deg (degrees) C (Celsius) to 60 deg C. Operating voltage: 300 volts. UL (Underwriter's Laboratories) listed. UL Type CL3. This speaker wire is ideal for connecting amplifiers to speakers, providing low resistance for better sound quality over longer runs.