{"product_id":"400-mcm-copper-compression-lug-1-hole-1-2-in-stud-long-barrel","title":"400 MCM Copper Compression Lug – 1-Hole, 1\/2\" Stud, Long Barrel | Conversions Tech","description":"\u003csection\u003e\n\u003ch1\u003e400 MCM Copper Compression Lug – 1-Hole, 1\/2\" Stud, Long Barrel | Conversions Tech\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eConversions Tech 400 MCM Copper Compression Lug\u003c\/strong\u003e is a robust, high-performance connector engineered for \u003cstrong\u003esecure, low-resistance electrical terminations\u003c\/strong\u003e in demanding power systems. Designed for \u003cstrong\u003e400 MCM copper conductors\u003c\/strong\u003e, this lug features a \u003cstrong\u003esingle 1\/2-inch stud hole\u003c\/strong\u003e and a \u003cstrong\u003elong barrel construction\u003c\/strong\u003e that delivers superior mechanical strength and stable electrical performance.\u003c\/p\u003e\n\u003cp\u003eManufactured from \u003cstrong\u003eseamless electro-tin plated copper\u003c\/strong\u003e, this \u003cstrong\u003etinned copper compression lug\u003c\/strong\u003e provides excellent corrosion resistance for long-term reliability in industrial, commercial, and power distribution environments. The \u003cstrong\u003edistinctive blue color code\u003c\/strong\u003e allows for fast visual identification and compatibility with standard color-coding systems, helping reduce installation errors and speed up field work.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Copper Construction:\u003c\/strong\u003e High-quality copper ensures excellent electrical conductivity and long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 MCM Conductor Size:\u003c\/strong\u003e Precision engineered for 400 MCM copper wire used in medium to heavy-duty power systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Hole Pad with 1\/2\" Stud:\u003c\/strong\u003e Provides a secure, stable attachment to bus bars and electrical equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Barrel Design:\u003c\/strong\u003e Extended barrel length supports multiple crimps for improved pull-out strength and consistent conductivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTin-Plated Finish:\u003c\/strong\u003e Protects against corrosion and oxidation while maintaining low electrical resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamfered Barrel Entry:\u003c\/strong\u003e Guides stranded conductors smoothly into the barrel for faster, cleaner installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue Color Code:\u003c\/strong\u003e Enables quick identification and alignment with industry-standard color coding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable \u0026amp; Reliable:\u003c\/strong\u003e Built for long-lasting performance in industrial, commercial, and power distribution applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePower distribution panels and switchgear\u003c\/li\u003e\n\u003cli\u003eIndustrial electrical equipment and control panels\u003c\/li\u003e\n\u003cli\u003eCommercial electrical installations\u003c\/li\u003e\n\u003cli\u003eRenewable energy systems and battery storage\u003c\/li\u003e\n\u003cli\u003eGrounding and bonding using large copper conductors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeamless Electro-Tin Plated Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConductor Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConductor Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400 MCM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStud Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Holes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarrel Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLong Barrel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarrel Entry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChamfered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.042 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarrel Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.125 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarrel Size (ID × OD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.75 Inch × 0.937 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDie Index\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI-76\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25\" L × 1.365\" W × 0.187\" Thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat conductor type is this compression lug designed for?\u003c\/summary\u003e\n\u003cp\u003eThis lug is designed specifically for \u003cstrong\u003e400 MCM copper conductors\u003c\/strong\u003e and is not intended for aluminum wire.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the advantage of a long barrel compression lug?\u003c\/summary\u003e\n\u003cp\u003eA long barrel allows for multiple crimps, improving mechanical strength, reducing resistance, and increasing long-term reliability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat stud size does this lug fit?\u003c\/summary\u003e\n\u003cp\u003eThis compression lug fits a standard \u003cstrong\u003e1\/2-inch stud or bolt\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy is the lug tin plated?\u003c\/summary\u003e\n\u003cp\u003eTin plating protects the copper from corrosion and oxidation while maintaining excellent electrical conductivity.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does the blue color code indicate?\u003c\/summary\u003e\n\u003cp\u003eThe blue color code identifies the lug as compatible with \u003cstrong\u003e400 MCM conductors\u003c\/strong\u003e for quick visual verification.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat crimping tool should be used?\u003c\/summary\u003e\n\u003cp\u003eUse a crimp tool rated for \u003cstrong\u003e400 MCM copper lugs\u003c\/strong\u003e and follow proper die selection, including \u003cstrong\u003eDie Index I-76\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this lug suitable for outdoor installations?\u003c\/summary\u003e\n\u003cp\u003eYes. The tin-plated copper finish provides corrosion resistance suitable for indoor and outdoor environments.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat voltage rating does this lug support?\u003c\/summary\u003e\n\u003cp\u003eThis compression lug is rated up to \u003cstrong\u003e35 kV\u003c\/strong\u003e when installed correctly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum operating temperature?\u003c\/summary\u003e\n\u003cp\u003eThis lug is rated for continuous operation up to \u003cstrong\u003e90°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhere are these lugs commonly used?\u003c\/summary\u003e\n\u003cp\u003eThey are commonly used in power distribution systems, industrial equipment, renewable energy installations, and utility infrastructure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e","brand":"Conversions Tech","offers":[{"title":"Default Title","offer_id":41937460297780,"sku":"210-98077","price":8.04,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0291\/8445\/8804\/files\/copper-long-barrel-one-hole-compression-lug-400-mcm-1-2-inch-bolt-size-1157098614.jpg?v=1769578544","url":"https:\/\/conversionstech.com\/products\/400-mcm-copper-compression-lug-1-hole-1-2-in-stud-long-barrel","provider":"Conversions Tech","version":"1.0","type":"link"}