NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN IEC 60512-28-100 ; VDE 0687-512-28-100:2020-08 [CURRENT] references following documents:

Document number Edition Title
ITU-T G.117 1996-02 Transmission aspects of unbalance about earth More 
ITU-T O.9 1999-03 Measuring arrangements to assess the degree of unbalance about earth More