Grounding Lug Hubs for RMC/IMC 316 Stainless Steel Trade Size 1 1/2 in Overall Length 1 31/32 in Finish Polished Insulated No Compatible Conduit Type RMC IMC Thread Size 1 1/2 In.-11 1/2 Thread Type NPSL NPT Thread Gender Female to Male Conduit Fitting Type Hub Standards UL 514B/NEMA and NEC Compliance For Use With Threaded Metallic Conduit For Conduit Type RMC IMC Overall Height 1 1/2 in Overall Width 2 3/16 in Weight 1.14 lb Compatible Conduit Trade Size 1 1/2 in