Commercial Grade Construction and features ensure better performance and reliability. High Abuse Nylon, Smooth Surface creates clean upscale look. Manufacturered by Cooper/Eaton for Hubbell. New patented tamper resistant shutter design for an amazingly smooth and easy plug-in. TR feature meets latest code preventing objects from being inserted into the openings. Tough thermoplastic ultrasonically welded construction. Smooth face design for a clean upscale look. Sure hold push in feature or combination head slot, Phillips, Robertson side-wired screws/terminals. Break off tabs for when the circuit needs to be split.