What is required for the installation of luminaires in damp or wet locations?

In damp or wet locations, luminaires must be specifically rated for those conditions to ensure safety and functionality. This rating is crucial because luminaires installed in such environments are exposed to moisture, which can lead to electrical hazards, corrosion, and reduced performance if they are not designed to handle these conditions.

When luminaires are rated for wet or damp locations, they are constructed with materials and features that protect them from water ingress, such as sealed enclosures and weather-resistant components. This ensures that they will continue to operate effectively and safely, even when exposed to dampness or water.

Other considerations, such as height requirements or design features like airflow, do not address the fundamental need for luminaires to be appropriately rated for the environmental challenges they will face. Specific ratings are essential to comply with safety standards, as stipulated in the National Electrical Code (NEC), thereby protecting both users and property.