Choosing the appropriate size copper cable lug is necessary to provide secure and effective electrical connections. The incorrect size lug will cause overheating, voltage losses, or even electrical failure. Below is a step-by-step guide to properly sizing copper lugs for your cables. 1. Determine Cable Size Begin by determining the cross-sectional area (CSA) of the cable. It's m... https://www.pioneerpowers.com/copper-cable-lugs.php