... core , PVC insulated , without sheath power line .BLV: Al core , PVC insulated , without sheath power line . BVR: Copper core , PVC insulated , flexible power line . ... 227 IEC 01 (BV) : General purpose single core solid conductor without sheath power line . ... more than 90°C, single core solid conductor without sheath power line . ii ) : BV-90 model not more ...