Factor minimal bending radius, pulling

The minimal bending radius during cable pulling can be determined from the value given in the below table multiplied with the external diameter of the cable $D_e$.

Symbol
$r_{mbpf}$
Choices
InsulationTypeValue
Paper insulationsingle-core20 (U_n <= 30kV)
20 (U_n > 30kV)
Paper insulationmulti-core15 (U_n <= 30kV)
20 (U_n > 30kV)
Polymer insulationsingle-core15 (U_n <= 30kV)
20 (U_n > 30kV)
Polymer insulationmulti-core12 (U_n <= 30kV)
20 (U_n > 30kV)
Rubber insulationsingle-core15 (U_n <= 30kV)
20 (U_n > 30kV)
Rubber insulationmulti-core12 (U_n <= 30kV)
20 (U_n > 30kV)