What Are Wet Location Exit Signs?Wet location exit signs are necessary in wet or hose down areas, including unpredictable weather locations. NEMA is the National Electrical Manufacturers Association. When it comes ratings they are held in the highest standards in which exit sign enclosures are built. Nema 4X exit signs from Exit Sign Warehouse are constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts. They provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign dust and particles. Nema 4X exit signs installed outdoor or hose down areas give a degree of protection with respect to harmful effects on the equipment due to the ingress of water whether it be rain, snow or over spray of water. These wet location exit signs provides an additional level of protection against corrosion in that it will be undamaged by the external formation of ice on the enclosure.