Knowing the difference between bimetallic lugs and normal lugs assists in getting the proper connector for electrical applications. Each has specific uses and conditions. Main Points: Material Composition: Bimetallic Lugs: Composed of both aluminium and copper. Conventional Lugs: Composed entirely of either copper or aluminium. Application: Bimetallic Lugs: Applied whe... https://www.pioneerpowers.com/bimetallic-lugs-and-connectors.php