fire alarm cables 1)with BC,TC,CCA conductor from 1-100cores, 2)PE insulation, 3)PVC/LSOH jacket. ... or CCA,stranded,shield or unshielded,good PVC, LZSH PVC.conductor :bare copper or tinned copper or CCA or CCS conductorinsulation ... mechanisms or security system. fire alarm cables 8 core with high quality