The Sigma ProConnex Watertight Hubs terminate rigid threaded conduit or IMC to an enclosure. Hubs are assembled with a 90-degree Celsius rated insulator and rubber sealing ring. These die-cast zinc connectors are listed for use in wet locations and meet NEMA sealing requirements for Type 2, 3R, 4, 4X, 5 and 12 rated enclosures *
