Can Bimetallic Connectors Be Used for AC and DC Applications? Bimetallic connectors are now essential in electrical systems where copper and aluminum wires must be connected. With increasing usage in industries, one common question is—are bimetallic connectors used for AC (Alternating Current) or DC (Direct Current) applications? The short response is yes. Bimetallic connectors ... https://www.pioneerpowers.com/bimetallic-lugs-and-connectors.php