T&B Fittings UN Series Three-Piece Unions Application UNY and UNF unions are installed in threaded thick wall conduit systems: TT i = Max. UNY — to connect conduit to a conduit fitting. junction bex or device enclosure « |JNF — fo connect conduit te conduit. or te provide a means for future modification of the conduit system -. UNY Male Unions ® @ Standard Finishes J =] TRADE OVERALL OVERALL CAT. NO.