... installation temperature shall be not lower than 0°C; minimum bending radius: for single-core cable, ... outside diameter, d= nominal diameter of main conductor).2.5 Cable can be laid aerially, in trough, ... T 12666.Specification and Mode: N-BVPVC-insulated fire-resisting cable(wire)N-BV VPVC-insulated and sheathed ... and sheathed fire-resisting power cable(wire)N-V V22PVC-insulated,steel tape armored,PVC- ...