{"product_id":"3-0-stranded-bare-copper-wire-soft-drawn-7-strand","title":"3\/0 Stranded Bare Copper Wire, Soft Drawn, 7 Strand","description":"\u003cp data-path-to-node=\"4\"\u003e\u003cstrong\u003e\"Designed for high-capacity grounding, bonding, and overhead power distribution, this 3\/0 Stranded Bare Copper wire is engineered for heavy-duty electrical performance. Featuring soft-drawn (annealed) construction and a robust 7-strand layout, it provides the ideal combination of structural integrity and electrical mass, making it a reliable solution for utility, industrial, and commercial electrical systems.\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"5\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5\"\u003eWhy Electricians Choose 3\/0 Stranded Bare Copper\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp data-path-to-node=\"6\"\u003eThis conductor is a primary choice for utility substation grounding grids, high-amp commercial service entrances, industrial facilities, and heavy-duty lightning protection networks. Moving up to the 3\/0 gauge provides a massive cross-sectional area over smaller conductors, ensuring a safer, ultra-low-impedance path to ground to dissipate severe fault currents or lightning strikes. Its heavy 7-strand concentric-lay construction maximizes physical toughness for rugged environments, while the high-purity copper guarantees a permanent, maintenance-free structural lifespan.\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,0,0\"\u003eHigh-Capacity Conductivity:\u003c\/b\u003e 99.9% pure copper provides a massive, low-impedance path to safely ground high-magnitude fault currents and lightning surges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,1,0\"\u003eSoft-Drawn (Annealed):\u003c\/b\u003e Despite its thickness, the thermal annealing process relaxes the copper's crystalline structure, ensuring the wire remains flexible enough for bending around grounding lugs and routing through trenches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,2,0\"\u003e7-Strand Design:\u003c\/b\u003e Built with seven thick concentric strands, this layout provides exceptional tensile strength (over 5,100 lbs of rated strength) and robust mechanical durability for direct burial or concrete encasement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,3,0\"\u003eNatural Environmental Shielding:\u003c\/b\u003e Uninsulated bare copper offers inherent, long-term resistance to galvanic corrosion when placed directly in soil, rock beds, or concrete (Ufer grounds).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"8\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8\"\u003eTechnical Specifications: 3\/0 Stranded Bare Copper Wire\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9\"\u003eENGINEERING OVERVIEW\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,0,0\"\u003eConductor Size:\u003c\/b\u003e 3\/0 AWG\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,1,0\"\u003eConstruction:\u003c\/b\u003e 7-Strand (Concentric-Lay)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,0\"\u003eTemper:\u003c\/b\u003e Soft-Drawn (Annealed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,3,0\"\u003eMaterial:\u003c\/b\u003e Bare Copper (Uninsulated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,4,0\"\u003eOverall Diameter:\u003c\/b\u003e 0.464 inches (11.79 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,5,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,5,0\"\u003eApprox. Weight:\u003c\/b\u003e 518.1 lbs per 1,000 ft (0.5181 lb\/ft)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,6,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,6,0\"\u003eDC Resistance at 20ºC:\u003c\/b\u003e 0.06304 Ohms\/1,000 ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,7,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,7,0\"\u003eRated Strength:\u003c\/b\u003e 5,118 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,8,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,8,0\"\u003eAmpacity Rating:\u003c\/b\u003e 410 Amps \u003ci data-index-in-node=\"26\" data-path-to-node=\"10,8,0\"\u003e(Based on 75°C conductor temp; 25°C ambient; 2ft.\/sec. wind in sun)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,9,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,9,0\"\u003eCompliance Standards:\u003c\/b\u003e ASTM B-3 (Soft\/Annealed), ASTM B-8 (Concentric-Lay), Federal Spec QQ-W-343 \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"11\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11\"\u003eWhat is 3\/0 bare copper used for?\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,0,0\"\u003eCommercial Service Grounding:\u003c\/b\u003e Seamlessly connecting heavy-duty main electrical service panels to the grounding electrode system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0\"\u003eSubstation Grid Networks:\u003c\/b\u003e Essential for creating subterranean grounding mesh grids and bonding high-voltage transformers in utility substations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0\"\u003eIndustrial Ground Loops:\u003c\/b\u003e The structural standard for buried ground rings surrounding data centers, processing plants, and critical infrastructure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,0\"\u003eLightning Down-Conductors:\u003c\/b\u003e Providing an extra-high-capacity, uninsulated path for commercial lightning protection networks on tall buildings and utility towers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,4,0\"\u003eUtility \u0026amp; Solar Bonding:\u003c\/b\u003e Used for long-run, heavy-duty bonding of metallic structural steel, equipment chassis, and commercial solar rack arrays back to the main ground bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"13\"\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"14\"\u003eTechnical Note:\u003c\/b\u003e All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Wire America","offers":[{"title":"250 ft. Spool","offer_id":52006819791162,"sku":"BCSTR3\/0-7-250","price":0.0,"currency_code":"USD","in_stock":true},{"title":"500 ft. Spool","offer_id":52006819823930,"sku":"BCSTR3\/0-7-500","price":0.0,"currency_code":"USD","in_stock":true},{"title":"1000 ft. Spool","offer_id":52006819856698,"sku":"BCSTR3\/0-7-1K","price":0.0,"currency_code":"USD","in_stock":true},{"title":"2500 ft. Spool","offer_id":52006819889466,"sku":"BCSTR3\/0-7-2500","price":0.0,"currency_code":"USD","in_stock":true},{"title":"5000 ft. Spool","offer_id":52006819922234,"sku":"BCSTR3\/0-7-5K","price":0.0,"currency_code":"USD","in_stock":true},{"title":"By the Foot","offer_id":52006819955002,"sku":"BCSTR3\/0-7-FT","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/0234\/9114\/files\/Stranded_Bare_Copper_A_7ef58435-3c28-4f9c-ba36-e36099333f15.jpg?v=1760627115","url":"https:\/\/www.wireamerica.com\/products\/3-0-stranded-bare-copper-wire-soft-drawn-7-strand","provider":"Wire America ","version":"1.0","type":"link"}