IEC 62561-7:2024 specifies the requirements and tests for earthing enhancing compounds producing low resistance of an earth termination system. This third edition cancels and replaces the second edition published in 2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) Figure A.1 has been replaced with a simpler one that clearly shows the high and low corrosion load limits of the earth enhancing compounds without the need for special knowledge;
b) pH measurement has been introduced.
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