This part of IEC 61196-1 applies to coaxial communications cables. It specifies test methods for torsion characteristics of copper-clad metals of coaxial cables.
IEC 61196-1-310:2005 history
2005IEC 61196-1-310:2005 Coaxial communication cables - Part 1-310: Mechanical test methods - Test for torsion characteristics of copper-clad metals