{"id":8014,"date":"2025-11-08T06:59:01","date_gmt":"2025-11-08T06:59:01","guid":{"rendered":"https:\/\/www.raxpower.com\/?page_id=8014"},"modified":"2026-08-12T04:18:00","modified_gmt":"2026-08-12T04:18:00","slug":"grampeador-de-haste-de-aterramento","status":"publish","type":"page","link":"https:\/\/www.raxpower.com\/pt\/grounding-hardware\/earth-rod-clamp\/","title":{"rendered":"Abra\u00e7adeira de Haste de Terra"},"content":{"rendered":"
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Earth Rod Clamp<\/h2>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>
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Earth rod clamps interconnect earth rods of various sizes with stranded cables and flat conductors in grounding and lightning protection systems, providing solderless connections for effective electrical grounding paths. High resistance to corrosion and strong mechanical properties ensure long life spans and durable connections, maintaining secure joints under environmental and mechanical stresses.<\/p>\n

The clamp body typically uses high copper alloy or pure copper, while U-bolts and fixings may be copper, bronze, or stainless steel. Stainless steel hex head bolts, nuts, and washers provide additional corrosion resistance and mechanical integrity. Several variants exist: G-type clamps connect earth rods to stranded cables, A-type clamps join rods to copper tape, and U-bolt clamps attach tapes and cables to rods or rebar. Other options include split connector clamps, tower clamps, parallel groove clamps, and rebar clamps.<\/p>\n

Clamping ranges accommodate rod diameters from 14.2 mm to 25 mm and conductor sizes from 16 mm\u00b2 to 300 mm\u00b2 for stranded cables, with flat tape dimensions like 25 mm x 3 mm. Tightening torque values range from 12 Nm to 20 Nm. The clamps carry lightning currents with waveforms such as 10\/350 \u03bcs and withstand static mechanical stress in outdoor, indoor, buried, or concrete-embedded installations.<\/p>\n

Compliance with International Electrotechnical Commission (IEC), EN, and BS EN 62561-1 standards includes Class N or Class H classifications, with some models carrying UL approval or Canadian Standards Association (CSA) certification. Installation involves non-permanent screwing or bolting connections, with vibration-proof or anti-loosening elements available for connection integrity.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>