Clause-by-clause translation of Indian IS 3043:2018: electrode types, 5 Ω resistance, calculation formula, testing.
| Document | IS 3043:2018 Earthing (India) |
| Edition | 2018 |
| Status | Current (India) |
| Issued by | BIS (Bureau of Indian Standards) |
| Applies to | Earthing: electrode types, resistance, calculation, testing |
| № | Chapter / section |
|---|---|
| 1–3 | General, terms |
| 4 | Electrode types |
| 5 | Earthing conductors |
| 6 | Resistance and calculation |
| 7 | Testing |
4.1–4.4: rods (copper-clad steel, 12.7–25 mm, 2.5–3 m), plates (copper 600×600×3 mm), strips (25×3 mm), pipes (38–64 mm).
Minimum copper: 4 mm² (conduit) / 16 mm² (bare in soil); steel 75 mm².
6.1 ≤ 5 Ω (1 Ω for substations). 6.3 Rod formula: R = (ρ/2πL) × ln(4L/d).
Fall-of-potential or clamp-on methods; annual checks.
Automatic single-line diagrams, PUE/GOST/IEC calculations, specification and PDF — from one model.
Start freeData is for reference. Final design decisions must follow current regulations and a qualified engineer.
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