... security cables 1) from1~20pairs. 2)CCA,TC,BC,TCCA conductor. 3)Optional rip cord,Al/foil sheild, 4)PVC jacket. Alarm ... .22) shielded.conductor:CCA,TC,TCCA,BC are available.cable core:2~40Insulation:PVCRip cord:optionalSheild:Al/foilDrain wire:YesJacket:PVCApplication ... of contacts,detectors and sensors. Fire Alarm Security Cables from 1-100 core