{"product_id":"thomas-betts-54158-square-ring-terminal-2-0-awg-compression","title":"Thomas Betts 54158 Square Ring Terminal 2\/0 Awg Compression","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe THOMAS BETTS 54158 is a non-insulated square ring terminal designed for permanent compression connections on 2\/0 AWG copper conductors. The terminal features a copper contact body with a titanium nitride (TiN) plating, which provides reliable electrical conductivity and resistance to corrosion at the contact interface. Sized at 1.88 inches overall length and 0.83 inches wide with a 5\/16 inch stud hole, it is built for high-current applications where a secure, low-resistance termination is required. Electricians and electrical contractors use this terminal in panel wiring, equipment grounding, and heavy-duty power distribution assemblies.\u003c\/p\u003e\n\u003cp\u003eThis terminal is suited for residential, commercial, and industrial electrical installations where 2\/0 AWG wire must be terminated to a square-style ring lug. It is installed using a compression crimping tool appropriate for 2\/0 AWG die sets. The 5\/16 inch stud size fits standard bus bar studs, ground lugs, and equipment terminals commonly found in load centers, switchgear, and motor termination points. The non-insulated black finish allows for visual inspection of the crimp zone after installation.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSquare ring terminal style with 5\/16 inch stud hole for standard bus bar and equipment connections\u003c\/li\u003e\n  \u003cli\u003eCompression connection type ensures a gas-tight, permanent crimp for 2\/0 AWG conductors\u003c\/li\u003e\n  \u003cli\u003eCopper contact material with TiN plating for reliable conductivity and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eNon-insulated design allows post-crimp visual inspection of the barrel\u003c\/li\u003e\n  \u003cli\u003eCSA Certified, UL Listed, and RoHS Compliant\u003c\/li\u003e\n  \u003cli\u003eCompact profile at 1.88 inches long and 0.83 inches wide with 0.13 inch thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style compression ring terminal for 2\/0 AWG wire gauge applications in electrical distribution, grounding, and heavy-duty power termination installations.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation must be performed by a qualified electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize and lock out the circuit before terminating any conductors. Use a calibrated compression crimping tool with the correct 2\/0 AWG die set to achieve a proper gas-tight crimp. Do not attempt to re-crimp or reuse a terminal that has already been compressed onto a conductor.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminal Type\u003c\/strong\u003e: Square Ring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation Type\u003c\/strong\u003e: Non-Insulated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Compression\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Wire Size\u003c\/strong\u003e: 2\/0 AWG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStud Size\u003c\/strong\u003e: 5\/16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContact Material\u003c\/strong\u003e: Copper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContact Plating\u003c\/strong\u003e: TiN (Titanium Nitride)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.88 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRing Width\u003c\/strong\u003e: 0.83 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.13 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 11 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: CSA Certified, UL Listed, RoHS Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: THOMAS BETTS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 54158\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THOMAS \u0026 BETTS","offers":[{"title":"Default Title","offer_id":51540853588274,"sku":"54158","price":34.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/871f5653271d17e682219a36907fa934.jpg?v=1785865067","url":"https:\/\/voomisupply.com\/products\/thomas-betts-54158-square-ring-terminal-2-0-awg-compression","provider":"Voomi Supply","version":"1.0","type":"link"}