What is the role of a lug in electrical connections?

A lug plays a critical role in electrical connections by facilitating a mechanical connection for conductors. It ensures that electrical wires or cables are securely attached to a terminal or a bus bar, providing a stable and reliable point for the flow of electrical current. By securely fastening the conductors, lugs help to minimize resistance and ensure good electrical conductivity.

Additionally, lugs are often designed to accommodate various wire sizes and types, making them versatile for different applications. They can be made from conductive materials, such as copper or aluminum, which enhances their efficiency in maintaining strong electrical connections.

In contrast, options that suggest isolation, easy disconnection, or increasing resistance do not accurately represent the primary function of a lug. A lug's main purpose is to ensure that conductors are properly and securely connected, as this is vital for the safety and efficiency of electrical systems.