Southwire Simpush 3/4" EMT Push-To-Install Watertight Box Connector. Push-to-install box connectors are used to secure EMT to boxes quickly and without tools. These EMT fittings are watertight and suitable for outdoor and indoor locations. UL/CSA Listed Watertight, concrete-tight and rated for direct burial. Is reusable and removable with the SimPush removal tool (sold separately)