Essential in any modern electrical system, bi-metallic lugs find much utility when joining two different metals, say aluminum and copper, where they are conceded to provide a dependable, well-secured, corrosion-resistant connection to conductors of two differing materials. So why exactly would we need them, and when should they be considered for use? Aluminum conductors find much u... https://www.pioneerpowers.com/bimetallic-lugs-and-connectors.php