How Long is the Average Lifespan of a Bimetallic Connector Used in Industrial Conditions? Bimetallic connectors are highly durable and reliable, particularly in tough industrial conditions where copper and aluminium conductors are employed. The connectors are built to stand the test of time, with an average lifespan of 20 to 30 years based on the quality of installation, loading co... https://www.pioneerpowers.com/bimetallic-lugs-and-connectors.php