Pin and Sleeve Plug/Receptacle Mounting Box; Device Rating 200 Amp; Body Material Epoxy Powder Coated Copper-Free Aluminum; Number of Mounting Lugs 4; Hub Size 1-1/2 Inch; Approval UL 1682/1686/50E, UL (Canada and US), CSA C22.2; Used On Pin and Sleeve Plug/Receptacle; End Connection Threaded; Enclosure Rating NEMA 3/4/4X.