... PE insulation, 3)BC,TC,CCA conductirs for security system use. Security Cable/alarm cable 14*0.20mm,6 cores ... 20mm or 7*0.24mm copper,tinned copper or CCA,stranded,,shield or unshielded,good PVC, LZSH PVC ... .conductor :bare copper or tinned copper or CCA or CCS conductorinsulation: PVC flame proof or common ... for alarm mechanisms or security system Security cable/alarm cable with BC/TC/CCA Conductor