fire alarm cables 1)with BC,TC,CCA conductor from 1-100cores, 2)PE insulation, ... .24mm copper,tinned copper or CCA,stranded,shield or unshielded,good PVC, LZSH PVC.conductor :bare copper or tinned copper or ... PVC insulation,CMP,CMApplication: used for alarm mechanisms or security system. fire alarm cables 8 core with high quality