Generally, coaxial cables can be divided into two types according to the center conductor. The first one is the solid copper wire, and the second one is the copper clad steel wire. What is the difference between these two materials? How can they affect the center conductor and the performance of a coaxial cable? I bet many people are interested in knowing the answers. So today New King will give But before we start this topic, let’s see why copper is always used in the center conductor of coax cables.