Earthing System Inspection Checklist — BS 7671 / IEEE 80
Free download · A4 (210 × 297mm)
A defective earthing system is invisible until a fault occurs — then it becomes life-threatening. This A4 checklist covers eight structured inspection sections aligned to BS 7671 Part 6 and IEEE 80: Earth Electrode Inspection (rod condition, depth, connections), Bonding Connection Verification (main and supplementary bonding per BS 7671 Chapter 54), Resistance Measurement (fall-of-potential method per IEEE 81), Soil Resistivity Assessment (Wenner method, seasonal correction), Touch and Step Voltage verification (per IEEE 80 methodology), Equipotential Bonding check (extraneous-conductive-parts), Lightning Earth Connection verification (per IEC 62305), and Documentation review. Each section includes pass/fail/NA checkboxes and measured value fields for resistance readings. Essential for initial commissioning and periodic re-inspection of earthing systems.
What's Included
How to Print
- ●Print on standard A4 paper (80gsm is fine)
- ●Black & white printing works perfectly
- ●Photocopy and distribute to entire site teams
- ●Fill in project details before photocopying
- ●File completed checklists for audit trail
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Frequently Asked Questions
How does this differ from the existing earthing system testing checklist?
This version expands the inspection scope to include touch and step voltage verification per IEEE 80, lightning earth connections per IEC 62305, and soil resistivity assessment. The existing checklist focuses on resistance testing and basic bonding checks.
How often should earthing systems be re-inspected?
BS 7671 recommends periodic inspection at intervals determined by the type of installation — typically every 1-5 years. Critical facilities (hospitals, data centres) should be inspected annually. Measure earth resistance each time and compare with the original commissioning value.
What instruments do I need?
An earth resistance tester (fall-of-potential method), soil resistivity meter (Wenner 4-pin), low-resistance ohmmeter for bonding, and a touch/step voltage calculator or measurement system for IEEE 80 compliance.