1451

Thomas & Betts 1451 Knockout Plug Brand: Thomas & Betts. Part Number: 1451. T&B Knockout Plug, Locking, 1/2 in, For Use With: Rigid/IMC Conduits, Snap-In Mount, Thermoplastic, 1.06 in Dia. Additional Description: TB -1451 1/2IN KNOCKOUT PLUG THERMOPLASTIC. Catalog Description: 1/2 Inch Non Metallic Knockout Plug, Thermoplastic for Use with Rigid/IMC Conduit..