4 Core Burglar Alarm Security Cable - White - 5 Metre Length - FREE POSTAGE | eBay
BS4737 Type 3 4 Core Screened Alarm Cable White - Concordia Technologies
4 Core White PVC Insulated Alarm Cable, Solid Copper Doorbell Wire Cable, 30 m 0.3 mm² Round Flexible Copper Cable for Video Door Phone System, Home Security System Cable : Amazon.co.uk: DIY