Set Screw Coupling Zinc Aluminum Trade Size 1 in Overall Length 5/8 in Finish Tin Plated Insulated Yes Compatible Conduit Type EMT RMC Thread Size 1 in-11 1/2 Thread Type NPSL Thread Gender Female to Male Elbow Angle Not Applicable Conduit Fitting Type Locknut Standards cUL Listed ETL Listed Conforms to UL STD 514B Certified to CAN/CSA STD. C22.2 No 18.3 LEED NEMA REACH Compliance RoHS Compliant For Use With Threaded Rigid Conduit For Conduit Type IMC or Threaded Rigid