On electrical devices and machines that are moved during normal use, the connected cable must be protected against excessive bending in accordance with 0700-1., Hand-held devices, Portable equipment, Construction sites, Moving machine parts, Reliable bending and kink protection, High strain relief, Robust, For cables and lines with a large outer diameter, High protection class, Metric connecting thread in accordance with DIN EN 60423, Basis for technical information DIN IEC 62444,