Multicore & Multipair Overall Screened Cables. These multicore overall scre ened cables have individually insulated cores & multipairs laid up in an Aluminum polyester tape with a tinned copper drain wire. These cables are suitable for RS232 & RS 485 applications, used as audio, control and instrumentation cables. Class 6 construction, Tinned copper wire conductor, Insulation options: PVC / FPE / SPE / TPE, Overall Screen: Aluminium / Polyester tape with Drain Wire or Braiding of tinned copper. PVC outer sheathed with FRLS Fire Retardant Low Smoke & self extinguishing. Colour grey (RAL 7032).