cable is specifically designed for intruder alarm systems but finds use in other low voltage applications, and is normal available  in 4, 6, 8 ,12 and 20 cores, in white outer sheaths, with rip-cord. The cores are made from 7 strands of 0.20mm annealed tinned copper, plain bare copper, copper clad aluminum or tinned copper clad aluminum.
 
Specification:
Conductor: 7 strands 0.20mm,Tinned Copper, Bare Copper, CCA or Tinned CCA
Insulation: PVC (Polyvinyl Chloride)
Drain/Earth Wire: 7 stranded 0.20mm
Shield: Aluminum/Polyester Foil
Filler: Ripcord
Sheath: PVC (Polyvinyl Chloride)
Sheath Color: White / Grey / Black
Voltage Rating: 30V
Temperature Rating: -20oC to +70oC