The 3/4 in. Watertight Conduit Hub is designed to connect and bond IMC and rigid conduit to load centers and other metal enclosures where a watertight joint is needed at knockouts or slip-fit holes. It is made with corrosion-resistant die-cast zinc alloy for strength and features a flame-retardant LEXAN insulated throat. The hub is CSA and UL listed to help ensure safety.