Bi-metallic lugs are a smart choice over single-metal lugs for certain connections, ensuring safety, durability, and reliable electrical performance—especially when linking aluminum cables to copper busbars or terminals. When aluminum and copper are directly connected with single-metal lugs, a process called galvanic action or dissimilar metal corrosion can kick in. This reaction can ... https://www.pioneerpowers.com/bimetallic-lugs-and-connectors.php