unshield alarm cable 6 core 7* 0.20mm with copper conductor 1.Structure:6*7*0.18(0.20) BC(CCA,TC). 2.Conductor:CCA(BC,TC,TCCA). 3.Cable core:1pair to 25pairs. 4.Insulation:PVC 5.rip ccord: optional 6.Shield:with AL/foil. 7.Drain wire: TC or CCA. 8.Jacket:PVC/LSOH