What does "tin-plated wire" help to prevent?

Tin-plated wire is designed primarily to prevent corrosion and oxidation. Over time, exposure to moisture and varying environmental conditions can lead to the degradation of copper wire through oxidation, which can hinder conductivity. By coating the wire with a layer of tin, the material is protected from these detrimental effects. This ensures the longevity and reliability of electrical connections, especially in environments where moisture or harsh conditions are present.

While tin-plated wire can indirectly contribute to better overall performance by maintaining conductivity, its main function is to provide a barrier against the elements that cause corrosion. This protective feature is crucial for ensuring that the electrical connections remain effective and safe over time. The other options pertain to different issues related to electrical systems but do not directly relate to the primary benefit of using tin-plated wire.