Grounding Style 1 Receptacle With Aja Mounting Box | 7 in Length X 1.26 in Width X 4.51 in Height, 17/32 in Dia Hole, for Rigid Conduit and Imc | For Reverse Service (Generator Applications); Grounding Style: Shell Only; Designed to Supply Power to Portable or Fixed Electrical Equipment Such as Motor Generator Units, Welders, Pumps, Compressors, Cellular Relay Stations and Similar Apparatus; Ideal f | Use Through Knockout to Connect Box to Conduit Coupling; Use With a Locknut to Connect Two Boxes Side by Side or Back to Back; Use With a Locknut to Connect Fixture Housings in Continuous Runs; Rigid Conduit Threads (Nps)Furbay Electric Supp