This Power Cord Strain Relief Clamp Connector Secures Non-Metallic Sheathed Cable To Steel Outlet Boxes Or Other Metal Enclosures. Constructed Of Zinc-Plated Steel That Resists Corrosion. This Connector Fits Standard 1/2 Knockouts. This Accessory Can Be Used Across A Variety Of Brands And Appliances; Check To See If Your Model Number Is Compatible. Installing This Accessory Will Require Basic Hand Tools. Some Disassembly Of The Appliance And Novice Repair Experience. You Must Unplug The Appliance Or Shut Off The House Circuit Breaker Before Installing This Accessory.