2 wire plain annealed copper wire with aluminium tape screen and polyester mylar tape lapping plus a 7/0.20mm tinned copper drain wire. Covered by PVC Sheath. Suitable for a wide range of applications include internal and external inter-connections of electronic apparatus such as computer, intercoms, telemetering, signaling and alarm systems. Complies with AS1125 (conductor) AS/NZS 3808 (PVC).