Straight Union - Conduit to Conduit Thread Gender Female to Female Trade Size 1/2 in 3/4 in Compatible Conduit Type Vertical or Horizontal Rigid Conduit Compatible Conduit Trade Size 1/2 in 3/4 in Ends - Hazardous Fittings 1/2 in FNPT x 3/4 in FNPT Overall Length 1 1/2 in Overall Height 1 15/32 in Overall Width 1 15/32 in Aluminum Finish Plain 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 UNF