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📝 How it works:
Calculate grounding resistance for rod, ring and plate electrodes per IEC 60364.
Fill in the fields below and click "Calculate".
Calculate grounding resistance for rod, ring and plate electrodes per IEC 60364.
Fill in the fields below and click "Calculate".
Grounding resistance calculator
Calculate grounding resistance for different electrode types:
- Rod electrode: R = ρ/(2πL) × ln(4L/d)
- Ring electrode: Foundation ground around the building
- Plate electrode: For difficult soil conditions
- Touch voltage: Check against 50V limit
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