... .Copper,CCA or CCS 5.ISO,UL,CE, High Quality Alarm Cables , Specifications:1.) Conductor: bare copper or tinned copper ... .) Cores: 2, 4, 6, 8, 12, 14,16,18,206.) Used for alarm mechanisms or security system Standards: BS4737 BS6360 BS6746 Nom ... 2216x7/0.201.16.5Screened18x0.2218x7/0.201.16.9Screened20x0.2220x7/0.201.17.3Screened30x0.2230x7/0.201.18.9Screened40x0.2240x7/0.201.110.8 Shielded Alarm Cable