{"product_id":"copper-short-barrel-one-hole-compression-lugs-400-kcmil-1-2-inch-bolt-size","title":"1-Hole Copper Compression Lug 400 MCM | 1\/2\" Bolt, 35 kV, 90°C","description":"\u003cp\u003eThe Conversions Tech 1-Hole Copper Compression Lug is a short-barrel compression terminal designed for high-current power distribution and industrial electrical installations. Engineered for 400 MCM copper conductors, this lug provides secure terminations in switchgear, transformers, panelboards, and motor control centers where reliable conductivity and corrosion resistance are critical.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Seamless electro-tin plated copper\u003c\/li\u003e\n\u003cli\u003eConductor size: 400 MCM\u003c\/li\u003e\n\u003cli\u003eBolt\/stud size: 1\/2-inch\u003c\/li\u003e\n\u003cli\u003eConfiguration: 1-hole\u003c\/li\u003e\n\u003cli\u003eBarrel type: Standard with chamfered entry\u003c\/li\u003e\n\u003cli\u003eBarrel dimensions: 1.188-inch length; 0.75-inch ID x 0.937-inch OD\u003c\/li\u003e\n\u003cli\u003eOverall length: 3.105 inches\u003c\/li\u003e\n\u003cli\u003ePad size: 1.25-inch L x 1.365-inch W x 0.187-inch Thk\u003c\/li\u003e\n\u003cli\u003ePad holes: 1\u003c\/li\u003e\n\u003cli\u003eVoltage rating: 35 kV\u003c\/li\u003e\n\u003cli\u003eTemperature rating: 90°C\u003c\/li\u003e\n\u003cli\u003eDie index: I-76\u003c\/li\u003e\n\u003cli\u003eColor code: Blue\u003c\/li\u003e\n\u003cli\u003eFeatures: Sight window for conductor insertion verification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCross-Reference\u003c\/h3\u003e\n\u003cp\u003eEquivalent to Panduit, Burndy, and Ilsco 400 MCM one-hole compression lugs with 1\/2-inch stud size. Form factor matches standard short-barrel industrial lugs used in utility and commercial power applications.\u003c\/p\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat crimping tool and die are required for this lug?\u003c\/summary\u003e\n\u003cp\u003eThis lug requires the I-76 die index for proper compression. Use a hydraulic crimping tool rated for 400 MCM copper lugs. The chamfered barrel entry facilitates conductor insertion, and the sight window allows visual confirmation of full insertion depth before crimping.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this lug rated for 90°C conductor ampacity?\u003c\/summary\u003e\n\u003cp\u003eYes. The 90°C temperature rating permits full use of 90°C ampacity tables per NEC, provided the connected equipment and conductors are similarly rated. The tin-plated copper construction maintains stable contact resistance across this temperature range.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eCan this lug be used in 35 kV medium-voltage applications?\u003c\/summary\u003e\n\u003cp\u003eThe 35 kV voltage rating indicates dielectric withstand capability. Verify application suitability with your engineering specifications, as medium-voltage installations require proper clearances, insulation, and termination kits beyond the lug rating itself.\u003c\/p\u003e\u003c\/details\u003e","brand":"Conversions Tech","offers":[{"title":"Default Title","offer_id":44577451638836,"sku":"210-09813","price":6.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0291\/8445\/8804\/files\/copper-short-barrel-one-hole-compression-lugs-400-mcm-1-2-inch-bolt-size-1157098631.jpg?v=1745411770","url":"https:\/\/conversionstech.com\/products\/copper-short-barrel-one-hole-compression-lugs-400-kcmil-1-2-inch-bolt-size","provider":"Conversions Tech","version":"1.0","type":"link"}