1.1 ScopeHD 620 applies to cables with extruded insulation and for rated voltages Uo/U(Um) from 3,6/6 (7,2) kV up to 50 20,8/36(42) kV used in power distribution systems of voltages not exceeding the maximum r.m.s. value of the system voltage Um.This Part (Part 1) specifies the general requirements applicable to these cables, unless otherwise specified in the particular sections of this HD.Test methods specified are given EN 60228, EN 60229, EN 60332-1-2, EN 60811, EN 60885-3, HD 605 and HD 632.Attention should be drawn to the fact that a significant number of sections include references to long term tests which are collected in HD 605. These long-term test
DS/HD 620 S2:2010 history
2010DS/HD 620 S2:2010 Distribution cables with extruded insulation for rated voltages from 3,6/6 (7,2) kV up to and including 20,8/36 (42) kV