... ,20C 3.Copper,CCA or CCS4.factory priceUnscreened Alarm CableScreened Alarm CableShield Alarm CableUnshield Alarm Cable Specifications:1.) Conductor: bare copper or ... .) Cores: 2, 4, 6, 8, 12, 14,16,18,206.) Used for alarm mechanisms or security system Standards: BS4737 BS6360 BS6746 ... .16.9Screened20x0.2220x7/0.201.17.3Screened30x0.2230x7/0.201.18.9Screened40x0.2240x7/0.201.110.8 High Quality Alarm ...