How to build a Pair of interconnect cables that offer great sound at an affordable price. UP-OCC copper conductors & Polyethylene insulation produce a very balanced and natural sound. This cable uses Al-Mylar & OFC braid for external shielding. NEI-3004 cable is a twisted pair, balanced type cable for improved noise rejection. Part 2 of the build process, connecting the RCA plug at the source end, and continuity checking the cable once complete.