... 2) Cores: 2-24 pairs 3) Dielectric: PE, PVC flexible and solid cables for alarm system type Alarm Cable / Security Cable ... . 4,Electrical Charateristics5,Application:For internal wiring in class 2 circuits of electronic equipment or TV game data transmission.6,Packing ... , 300yard/roll. 2) Inner packing:Roll, Wooden reel, plastic reel, and paper reel. 3) Outer packing: Carton box, pull out box ...