fire alarm cables 1)with BC,TC,CCA conductor from 1-100cores, 2)PE insulation, 3)PVC/LSOH jacket.Used for fire ... ,tinned copper or CCA,stranded,shield or unshielded,good PVC, LZSH PVC.conductor :bare copper or tinned copper or CCA or ... optionalJacket: PVC-flame proof or common PVC insulation,CMP,CMApplication: used for alarm mechanisms or security system. fire alarm cables 8 core with high quality