C&E CNE78380 Direct Burial Audio Cable 16 Awg/2 Conductor, 500-Feet, Pull Box, Black 500ft Pro-Installer Series DUAL RATED JACKET In-Wall CL3 + Direct Burial Rated if Needed Indoor or Outdoor Direct Burial Rated - U.V. Protected - Black Jacket Certified Rohs - U.L. Rated - Certified "Green" Product Safe for environment 16 Awg 2 Conductor - Sequential Footage Markings 65 Strands Per Conductor