Surface-mounted fluorescent lighting fixtures in a closet must be installed at least how far from storage space?

The correct answer, 6 inches, is based on safety regulations concerning the installation of surface-mounted fluorescent lighting fixtures in areas like closets where storage space is present. This minimum distance helps to prevent potential hazards that could arise from objects being stored too close to the light fixtures.

Keeping a 6-inch clearance ensures that there is enough space to reduce the risk of items coming into contact with the heat emitted by the fixtures or any possible exposure to electrical components. This safety measure is crucial in preventing fire hazards and ensuring safe operation, especially since closets often contain flammable materials such as clothing and other personal items.

Choosing a distance greater than the minimum provided by electrical codes further enhances safety, but the established standard is typically defined as 6 inches to strike a balance between functionality and safety.