In the world of electrical engineering, connecting dissimilar metals like aluminum and copper can be a major challenge. Without the right component, you risk galvanic corrosion, increased resistance, and potential connection failure. Enter the Bi-Metal Lug. This essential post breaks down everything you need to know about these innovative connectors. We\'ll explore their unique construction—an aluminum barrel friction-welded to a copper palm—and explain how this design prevents electrochemical reactions. From applications in switchgear and transformers to ensuring the long-term safety and efficiency of your electrical systems, discover why Bi-Metal Lugs are a non-negotiable for any professional working with both aluminum and copper conductors.