Copper cable lugs are crafted from high-purity copper to ensure they deliver top-notch electrical conductivity and durability. Leading companies like Pioneer Power International utilize electrolytic copper with a purity of at least 99.9% for their lugs. This impressive purity level guarantees optimal current flow and minimal energy loss, making these lugs perfect for demanding electri... https://www.pioneerpowers.com/copper-cable-lugs.php