Commonly used in general applications where there may be an increased fire/flame risk.
One pair of solid or stranded conductors. Each conductor is Flame Retardant PVC insulated. The pair is twisted together then screened with an aluminium bonded polyester tape, in contact throughout with a bare copper drain wire. Flame Retardant PVC bedded, steel wire armoured and sheathed with Flame Retardant PVC.
Note: "CR" cables are being superceded with the new "CQ" cables in the Heat Resistant and Flame Retardant PVC Insulations category