Cables Direct Online Premade CCTV Cables are perfect for use with security cameras. The cable carries both video and power signals, making camera cabling and installation as simple as possible. These cables uses BNC connectors for video and DC terminal connectors for power. Available in different colors and length With premade cables, they are already cut to specific lengths such as 50ft, 100ft or 150ft, and have connectors on them already. So you just have to run the wire from the camera to the DVR. For HD security cameras such as HDCVI cameras, however, you will always need to use wire from Coax Siamese Spools.