The cable is ideal for use insecurity alarm cable systems, Intercoms, Control and Communications Equipment. SHEATH Flame Retardant PVCSHEATH ... ,tinned copper or CCA,stranded,,shield or unshielded,good PVC, LZSH PVC.conductor :bare copper or tinned copper or CCA or ... core:4C,6C,8C,etc are availableRip cordJacked: PVC-flame proof or common PVC insulation,CMP,CMApplication: used for alarm mechanisms ...