Expansion Union - Conduit to Box Thread Gender Female to Male Trade Size 3/4 in Compatible Conduit Type Vertical or Horizontal Rigid Conduit Compatible Conduit Trade Size 3/4 in Ends - Hazardous Fittings 3/4 in FNPT x 3/4 in MNPT Overall Length 4 1/4 in Overall Height 1 7/16 in Overall Width 1 7/16 in Steel Finish Electroplated Hazardous Location Rating Class I Division 1 and 2 Groups A B C D Class II Division 1 and 2 Groups E F G Class III UNYL For Use With Conduit