For electrical installations, it is critical to select the appropriate lug type for safety, performance, and durability. The two types most widely utilized are bimetallic lugs and copper lugs. Though they can appear similar in construction, their uses and compositions are largely different. Copper lugs are constructed of pure copper and are most commonly used for the connection of ... https://www.pioneerpowers.com/bimetallic-lugs-and-connectors.php