s Power cables: VDE-Reg 7855 UL/CSA AWM style 2570 Signal cables: UL/CSA AWM style 2502 Conductor stranding Extra fine strands of plain copper wires in acc. to VDE 0295 Cl. 6/IEC 60228 Cl.6 Minimum bending radius Fixed installation: 5 x outer diameter flexible: 12 x outside diameter Rated voltage Si.