O-Z/Gedney Liquidtight 45.. connector. Tapered threaded male hub NPT. Malleable iron body and nut, steel ferrule, zinc electroplate. Hot dip or mechanically galvanized finish. Compact, slim diameter with small turning radius. Furnished with locknut and knockout sealing ring. Liquidtight/raintight/oiltight/concretetight. UL listed NEMA type-4 when installed into a NPT threaded entry or UL listed conduit hub (sizes 1-1/4 inch and larger require thread sealant). Suitable for grounding through 1-1/4 inch trade size (for larger trade sizes, an internal or external equipment bonding conductor is required). Intrinsically safe. Bonding wedge locknuts are recommended in hazardous locations. Suitable for wet locations. Long ferrule prevents pull-out and tight bend conduit pop-out. Reusable ferrule. Inspection windows in ferrule to ensure full engagement. 4Q fittings have plain throat (non-insulated). Used to secure, ground and seal liquidtight flexible metal conduit, type LFMC, to boxes and enclosures.