UL Listed 1000 ft. CMP-Rated RG59/U + 18AWG/2C Power Plenum Siamese Cable 1000 Ft CMP Rated RG59 20 awg Plenum Solid Copper PVC Jacket. Color: White RG59 Combo with 18/2 Power Coax Bulk Cable. Sparker Tested: 2000V RG59/U 75  Coaxial Cables with a PLENUM jacket for your commercial CCTV installation UL Listed Characteristic Impedance: 753 Ohm Great for CCTV Surveillance, BNC Connections, 18 AWG Gauge Use the coaxial cable for video and the 18/2 cable to power your cameras CMP Jacket (Plenum Approved), 95% Copper Braid Shielding