... ) Conductor: TC, BC. CCA,TCCA 2) Cores: 2-20cores 3) Dielectric: PE, PVC, PP. Security alarm cable 4 cores unshield Alarm ... 1) Cent Conductor: TC, BC. 2) Cores: 2-24 pairs3) Dielectric: PE, PVC, PP. 4) Shield: Al Foil3,Specifications: Customers' specifications ...