Low Voltage Mounting Plate With Screws | 4 in Square, 1-1/2 in Raised Drawn Single Device Cover | Bracket,Mounting,Low Voltsingle Gang Scrw | 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