Standard 95% UL Outdoor Direct Burial rated, copper braided, bare copper conductor + 18 Gauge 2 Conductor used for CCTV, 1,000 ft spool. Color is black. Also known as Siamese cable. This composite coaxial cable is constructed with foamed dielectric cores over solid copper conductors with bare copper braid shield. It is also sunlight resistant. Aluminum braid is designed for CATV/MATV, cable TV, HDTV, Audio, Video or other broadband uses. Copper braid is required for CCTV, Closed Circuit Television, and radio frequency transmissions. Color is Black.