Crouse Hinds TB18 Condulet Conduit Outlet Body Brand: Crouse Hinds. Part Number: TB18. Crouse-Hinds Condulet Conduit Outlet Body, Type TB, 1/2 in Hub, 3 Hubs, 8 Form, Thread Connection, Feraloy Iron Alloy, Aluminum Acrylic Painted/Electro-Galvanized, 5-11/16 in L x 1-3/8 in W x 2-17/12 in H Dimensions. Additional Description: CRHD-TB18 1/2 NPT IRON TB FORM 8 COND BDY. Catalog Description: Eaton Crouse-Hinds series Condulet Form 8 conduit outlet body, Feraloy iron alloy, TB shape, 1/2..