Tamper Resistant: Child proof shutter mechanism inside the receptacle prevents young children from inserting unwanted objects into the outlets. Easier to use by inserting and unplugging several times. Self-Grounding: A green grounding screw and self-grounding clip provide for automatic grounding in the junction box, protecting you from electrical shock. Easy Installation: Designed for quick push-in wire and side wire. Break-off plaster ears for best flush alignment. Break-off tabs allow easy two-circuit conversion. Shallow dimensions allow for maximum wiring space in the junction box with other outlets and switches. High Quality: High-impact resistant thermoplastic face and back body eliminate cracks, breaks and callbacks, create a finger-safe application before, during and after installation, and offer long, trouble-free service life. Glossy Finish: Soil-resistant gloss finish allows for easy cleaning. UL & CUL LISTED: Designed and tested in accordance with UL498 requirements