Testing or inspection of a crimped copper cable lug is important to have a safe, secure, and durable electrical connection. Below is a simple guide with best practices and industry standards: 1. Visual Inspection: Following crimping, inspect visually the copper cable lug for even, tight crimp with no deformation, splits, or cracks. The barrel should be near the cable insulation, a... https://www.pioneerpowers.com/copper-cable-lugs.php