DS DSEN 61557-4 2007-APR-04 Electrcal safety n low voltage dstrbuton systems up to 1 000 V ac and 1 500 V dc - Equpment for testng measurng or montorng of protectve measures -- Part 4 Resstance of earth connecton and equpotental bondng
This part of IEC 61557 specifies the requirements applicable to equipment for measuring the resistance of earth conductors, protective earth conductors and conductors for equipotential bonding, including their connections and terminals, with an indication of the measured value or indication of limits.
