Which of the following is a characteristic of a NEMA 3R enclosure?

A NEMA 3R enclosure is designed specifically for outdoor use, offering protection from the elements. One of its defining characteristics is that it is rainproof and sleet-resistant. This means it can effectively shield electrical equipment from rainwater and sleet, which is particularly important in ensuring reliability and safety in outdoor applications.

The enclosure provides a level of protection against water ingress, allowing for safe use in environments where exposure to moisture can occur. It is not designed to be dust-tight or completely waterproof, as seen in options describing enclosures with different NEMA ratings. Additionally, while it can resist corrosion to some extent, the primary focus of a NEMA 3R enclosure is its ability to protect against precipitation rather than the presence of dust or corrosive materials.