Bi metallic lugs have some major advantages in electrical installations, and therefore, it is the solution of choice when joining aluminium cables to copper busbars or terminals. The following are the major advantages: - Prevention of Galvanic Corrosion: The greatest benefit of bi metallic lugs is that they can avoid galvanic action (electrochemical corrosion) that takes place whe... https://www.pioneerpowers.com/bimetallic-lugs-and-connectors.php