6242Y 4mm Twin Earth PVC Flat Grey Electrical Cable For use in power circuits eg:sockets and fixed appliance outlets. Various lengths to choose from the drop down menu. All our cables are tested and accredited by BASEC (British Approvals Service for Electrical Cables), and meet BS6004 and EN60228 standards. Used for domestic fixed installation in dry or damp premises clipped to the surface, on trays or in free air where the risk of mechanical damage would not become an issue. Also suitable for laying in conduit or trunking where protection is required. Construction Characteristics: Conductor and CPC (earth): Class 1 Solid Copper. Insulation: PVC (polyvinyl chloride). Sheath: PVC (polyvinyl chloride), Core Identification: Blue and Brown + bare copper.