... 6C,8C,Copper or CCA conductor 4.fire alarm Shielded/Unshielded Alarm Cable: 1> Conductor: TC or copper ... :PVC-flame proof 3> Cable core: 2C, 4, 6, 8, 12,50C are available 4> Shield: Al/polyester ... foil 5> Rip cord: synthetic fibers 6> Drain wire: CU/TC/copper-clad aluminum 7> Jacked ... Application: used for alarm mechanisms or security system 6 Core Alarm Cable White Shielded 100m reel