Price: 6000 INR/Pair
Copper- Type: Solid copper rods, strips, or plates.
- Specifications:
- Corrosion Resistance: Excellent, but can oxidize over time.
- Size:
- Rods: 14-20 mm diameter, 1.5-3 m length.
- Strips: 25—3 mm, 50—5 mm.
- Use: Preferred for permanent earthing systems (substations, industrial setups).
- Advantages: Low resistance, durable.
- Limitations: Costly, prone to theft.
- Standards: IEC 62561, IS 3043.
2. Galvanized Iron (GI)- Type: GI rods or pipes.
- Specifications:
- Coating: Zinc galvanization (thickness: 70-100 microns).
- Conductivity: Moderate (higher resistivity than copper).
- Corrosion Resistance: Good in dry conditions; poor in acidic/ saline environments.
- Size:
- Rods: 16-25 mm diameter, 1.5-3 m length.
- Pipes: 40-100 mm diameter.
- Advantages: Cost-effective, widely available.
- Limitations: Shorter lifespan, needs periodic checks.
- Standards: IS 3043, ASTM A153.
3. Copper-Bonded Rods- Type: Steel core with copper cladding.
- Specifications:
- Copper Thickness: 0.25“0.5 mm.
- Conductivity: Better than GI, lower than solid copper.
- Corrosion Resistance: High.
- Size: 14-20 mm diameter, 1.5-3 m length.
- Advantages: Balances cost and performance.
- Limitations: Copper layer can wear off over time.
- Standards: UL 467, IEC 62561.
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