The average lifespan of a copper cable lug under tough environmental conditions is a function of factors like material quality, protective coatings, installation procedures, and the harshness of the environment itself. High-quality copper lugs can last as long as 10 to 30 years when properly used even in demanding industrial or outdoor environments. In severe conditions—e.g., highl... https://www.pioneerpowers.com/copper-cable-lugs.php