The key distinction between insulated and non-insulated copper cable lugs is the insulation layer, which significantly influences safety, durability, and versatility in applications. Insulated copper cable lugs come with a protective sleeve—typically made from materials like PVC, nylon, or heat-shrink—surrounding the barrel where the wire is crimped. This insulation offers several ... https://www.pioneerpowers.com/copper-cable-lugs.php