ADI PRO's 500 ft Quad-Shielded Coaxial Cable is constructed of 18AWG with a copper clad steel conductor providing a higher level of shielding for signal retention. Great for various applications such as CCTV, Audio/Video and data communications. With the incredible flexibility of the wire, it makes it very easy to install while providing high quality images. Available in white and black color, UL listed and supports CL2 guidelines.