Bi-metallic lugs are designed to create a secure and corrosion-resistant connection between aluminum and copper conductors, making them essential in today’s electrical systems. These lugs are made from two main materials: a high-conductivity aluminum barrel and a copper palm. The aluminum barrel, usually crafted from electrolytic aluminum with about 60% IACS conductivity, is meant for... https://www.pioneerpowers.com/bimetallic-lugs-and-connectors.php