UNY-250 Explosionproof Conduit Union for Rigid Conduit and IMC The UNY-250 Explosionproof Conduit Union by O-Z Gedney is designed for connecting rigid conduit and intermediate metal conduit (IMC) to enclosures in hazardous locations. This conduit union provides a secure, explosionproof connection suitable for electrical distributors and switchgear suppliers requiring reliable conduit fittings that comply with NEC/CEC standards for Class I, Division 1 and 2, and Class II and III hazardous environments. Specifications Application: For Rigid Conduit And IMC Material: Zinc-Plated Malleable Iron Connection: Tapered FNPT X MNPT Length: 4-5/8 Inch Diameter: 4-1/4 inches Product Weight: 4.7 lbs Manufacturer: O-Z Gedney Manufacturer Part #: UNY-250 Features Explosionproof and dust-ignitionproof design for hazardous location fittings UL Listed for Class I, Groups B, C, D; Class II, Groups E, F, G; and Class III applications Male/Female union with removable male nipple for ease of installation Durable zinc-plated malleable iron construction for corrosion resistance Downloads & Links Catalog