Oz-Gedney BS-A Series Domed Top Design Cover, 1/4 In Hub, Screw-In Mounting, Stamped Copper-Free Aluminum, Stainless Steel Screws, Finish: Natural, Third Party Certification: Ul File Number E-18095, Csa 009795, Applicable Third Party Standards: Ul 514A, Csa C22.2 No.18, Federal Specification Number A-A-50563, Nema : FB-1, FB-2.10, For Used to Cover Aluminum Conduit Body Opening