O-Z/Gedney Explosionproof Reducer Bushing RB-321S

THREADED, FLUSH MOUNT TYPE STEEL MATERIAL 23/32 INCH 1/2 INCH SMALL END TRADE SIZE 3/4 INCH LARGE END TRADE SIZE UL 886, CSA C22.2 APPROVAL CLASS I DIV 1 2 GROUP A B C D, CLASS I ZONE 1 2 GROUP IIA IIB IIC, CLASS II DIV 1 2 GROUP E F G, CLASS III ENCLOSURE FINISH ZINC ELECTROPLATED APPLICABLE STANDARD NEC 500 TO 503/505 USED ON RIGID CONDUIT/IMC RB MODEL