... /20 kV (24 kV), 8.7/10kV, 8.7/15kV, 6/6kV, 6/10kV. 2. No. of core: Single-core, Three-core ... environment temperature should be no lower than 0 when lay. Otherwise it should be preheated. 6. The cable is laid without horizontal ... armoring, PE sheathed power cables Rated voltage: 0.6/1kV, 3.6/6kV. Number of cores: 1 to 6. Relative manufacturing standards: IEC60505, BS, DIN ...