Plant engineering, mechanical engineering, heating and air conditioning technology, power plant technology, dry or damp rooms, with normal mechanical stress, fixed installation as well as occasional flexible use without tensile stress with free, not constantly recurring movement, suitable for torsional applications that are typical in the loop of wind turbines (WKA), high-quality alternative to control cables of type YSLY or YY, space-saving due to small cable diameters, high electrical safety due to 4 kV test voltage, good flexibility due to core stranding with short pitch length, now also available with conductor cross-section from 2.5mm² as a 300/500V version, fine-stranded strand made of bare copper wires, PVC core insulation LAPP P8/1, cores stranded in layers, PVC sheath, grey (RAL 7001), based on IEC 60227-5 and EN 50525-2-51, flame-retardant according to IEC 60332-1-2, good chemical resistance,