Security alarm cable 4 cores unshield 1) Conductor: TC, BC. CCA,TCCA 2) Cores: 2-20cores 3) Dielectric: PE, PVC, PP. Security alarm ... cable 4 cores unshield Alarm Cable / Security Cable / Control ... ) Inner packing:Roll, Wooden reel, plastic reel, and paper reel. 3) Outer packing: Carton box, pull out box, pallet available ...