IEEE
IEEE 81-2025
IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System
Applicability Summary
IEEE Grounding and Grounding Connections metadata record for AC substation grounding safety, grounding-system measurements, and permanent substation grounding connections; this record points to the official IEEE SA page for IEEE 81-2025.
Notes
IEEE SA page status: Active Standard. Published: 2026-07-15. IEEE record number: 11218.