The Coaxial Cable SERIES 6 ISHIELD QUICKPREP 77%. PVC BLACK. NEC 830 BLX NEC 820 CATV LISTED / REEL BOX (Part number: 006E77V14BK001SFT0U1) from brand Amphenol is a Coaxial Cables. Coaxial cable or coax cable are an indispensable element of Hybrid Fiber-Coaxial Network (HFC). It is a type of electrical cable that transmits radio frequency (RF) signals from one point to another. Usually the coaxial cable is made of 4 parts: copper core, dielectric insulator, metallic shield, and plastic jacket. There are a few types of coaxial cable with different uses, some are suitable for residences and others for commercial projects. .