UL 514A defines the construction and performance requirements for metallic outlet boxes used to enclose conductors, support wiring devices, and provide mechanical protection in building wiring systems. Our UL type enclosures meet a variety of NEMA and IP ratings. From UL type electrical boxes to UL junction boxes, Polycase's UL Listed enclosures also offer a wide range of sizes. The definitive 2026 reference for sheet metal gauge in electrical enclosures, industrial control panels, NEMA-rated cabinets, server racks, washdown enclosures, and custom fabricated boxes. Verified against UL 508A, NEMA 250, IEC 60529, and ASTM A568 standards. Gauge selection for metal enclosures. Our involvement in the CB Scheme, an international system for mutual acceptance of test reports and certifications, helps provide cost- and time-savings for global market access. No matter how ha sh the environment is, there is always a proper enclosure for your needs. Thanks to protection ratings and high quality ble (from 65 x 65 mm up to 361 x 254 mm) plus 3 different cover hei xes are available. Nema Enclosures manufactures UL-listed enclosures.
[PDF Version]