Industrial grade tamper-resistant (TR) receptacles prevent unwanted objects from being inserted. High impact-resistant thermoplastic cover and body for long service life. Suitable for industrial use in factories, warehouses, power plants and for commercial use in corporate buildings, hotels, and restaurants. Shallow body design fits standard junction boxes. Back insert and side terminal wiring (copper only). Break-off plaster ears. Installation instructions included. Dimensions: 4.09 H x 1.31 L x 1.10 D Use with ENERLITES wall plates for the best fit and color match, part numbers 8821-W standard size, 8821M-W mid-size, or 8821O-W oversize Complies with 2017 NEC, Article 406.12 for tamper-resistant receptacles. 15A 125V, 5-15R, self-grounding, 2-pole, 3-Wire. UL94, V2 Rating, 1-year warranty, UL Listed