Earthing & Grounding Systems
Importers in Calabar

Copper-bonded earth rods typically export under HS 74091100 (copper bars, rods, profiles) or 74081900 (copper wire); GI earthing pipes and plates fall under 73269099 (other articles of iron or steel). Get the exact subheading confirmed by your customs broker before shipping. For buyers in the UAE, these codes clear duty-free under India–UAE CEPA once the Certificate of Origin is in hand.

Earthing rods, plates, pipes and strip sit under HSN 7326 or 7409/7408 and carry 18% GST within India. That doesn't touch an export order. Shipments go out under an LUT with no IGST charged, or with IGST paid and then refunded to us. What lands on your invoice is the FOB or CIF price plus whatever import duty your own country applies.

Copper-bonded rod, a steel core with roughly 250 µm of electrodeposited copper, is the international default. It gives steel's tensile strength and copper's conductivity for a fraction of solid copper's price. GI pipe electrodes suit high-resistivity soil and IS 3043 Type-A compliance on tighter budgets. Solid copper is reserved for aggressive acidic, high-chloride or high-sulphate soils, where even a thick copper-bonded coating risks galvanic failure at the steel-copper interface.

IS 3043 specifies 600×600 mm minimum for copper plates at 3 mm thickness, and 600×600 mm for GI at 6 mm. Burial depth of 3.0–3.5 m in a 600 mm wide brick-lined pit is the working standard. Depth is the primary lever for reducing resistance, going from 2 m to 3.5 m typically halves resistance in layered soils. Salt-and-charcoal backfill (or GEM for export work) reduces seasonal variation. A complete pit kit from us includes the plate, watering pipe and funnel, backfill compound, brass terminal lug, and inspection chamber components in one delivery.