are available in several classifications to meet and satisfy the varying demands of different sectors. The classifications are set by the National Electrical Manufacturers Association (NEMA), an organization responsible for standardizing electrical equipment and accessories' specifications. A Type 4X Fiberglass enclosure is suitable for facilities with demanding applications and harsh environments. Its fiberglass construction effectively combats elements like water and cleaning products that can cause corrosion. Wiegmann made Type 4X fiberglass enclosures are known for their durable construction. You can get them here at MRO Supply. We have a variety of Wiegmann Type 4X fiberglass enclosures in our selection so you can get a suitable model for your application. Shop now.