What is meant by the term "weatherproof" in electrical installations?

The term "weatherproof" in electrical installations specifically refers to components or equipment that are designed to be resistant to the elements, particularly water. This includes being rainproof, raintight, or watertight, ensuring that moisture does not enter and cause damage to the electrical components within.

When installations are categorized as weatherproof, they meet certain standards that protect them from water ingress, which can lead to short circuits, system failures, or electrical hazards. This protection is crucial in outdoor settings where exposure to rain, snow, or high humidity is common, thereby maintaining the safety and functionality of the electrical system over time.

In contrast, the other terms—resistance to rust and corrosion, protection from mechanical impact, and safety from electrical shocks—address different aspects of electrical design and safety, but they do not specifically relate to the term “weatherproof.” Weatherproofing focuses primarily on the ability to withstand water and environmental conditions.