Absolutely, copper cable lugs can be utilized for both low voltage (LV) and medium voltage (MV) applications, as long as they are properly specified and installed in line with the manufacturer's guidelines and industry standards.
When it comes to low voltage (LV) applications, copper cable lugs are commonly used for terminating and connecting cables in switchgear, control panels, t... https://www.pioneerpowers.com/copper-cable-lugs.php