... 4 cores unshield 1) Conductor: TC, BC. CCA,TCCA 2) Cores: 2-20cores 3) Dielectric: PE, PVC, PP. Security alarm cable ... Copper Clad Aluminium CCS: Copper Clad Steel;2, Structure 1) Cent Conductor: TC, BC. 2) Cores: 2-24 pairs3) Dielectric: PE, PVC, PP ... are welcomed. 4,Electrical Charateristics5,Application:For internal wiring in class 2 circuits of electronic equipment or TV game data transmission.6 ...