Why are bi-metallic lugs essential for preventing galvanic corrosion in electrical connections between aluminum and copper conductors?

Why are bi-metallic lugs essential for preventing galvanic corrosion in electrical connections between aluminum and copper conductors?

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Bi-metallic lugs are very significant in aluminum and copper conductor electrical connections. Bi-metallic lugs have a copper palm and an aluminum barrel that are joined together via friction welding to provide a safe and effective connection. Copper to aluminum contact without bi-metallic lugs will lead to galvanic corrosion such that the connection will lose its integrity with time and incur electrical resistance. Through the use of bi-metallic lugs, industries will be able to have long, stable electrical contacts, thus cutting down the risk of overheating and power interruption.

Galvanic corrosion is felt when there are two various metals, such as copper and aluminum, making contact with each other under conditions of an electrolyte, say moisture or humid air. Upon contact, aluminum corrodes at a high speed, causing the conductivity to decrease and electrical risk. Bi-metallic lugs solve this challenge by offering a secure transition of the two metals, avoiding any direct contact and the possibility of corrosion. Also, proper utilization of the lugs improves conductivity, reduces the need for maintenance, and enhances system efficiency to the maximum level, hence a necessity in power distribution systems, industrial systems, and renewable systems.

For use in applications requiring secure electrical contacts, Pioneer Powers offers high-performance anti-galvanic corrosion and enhanced performance bi-metallic lugs. Their highly engineered lugs offer hardness, conductivity, and safety even in extreme conditions. Spending on bi-metallic lugs saves the life of electrical systems as well as maintenance costs, hence constituting a smart investment in modern electrical installations.