Connecticut Electric 30A Rainproof Generator Power Inlet box with Cover. For use with EmerGen Switch Transfer Switches and matching Generator Receptacles. Rainproof generator power inlet box with cover. Complete with Pre-Wired Flanged Inlet Receptacle. Accepts Siemens HR Series Conduit Hubs. L14-30 inlet plug and hinged door. Meets NEMA 3R Requirements. All steel construction. Listed to UL-1008 requirements.