Isolated ground outlet made of high-quality polycarbonate thermoplastic material and heavy-duty contacts and components; impact-resistant cover and body endures the everyday bumps and scrapes from high usage Isolated ground terminal has no contact with mounting yoke reduces electrical noise when properly installed; mounting yoke has self-grounding tab Suitable for both industrial use in factories, warehouses, power plants and for commercial use in corporate buildings, hotels, and restaurants Shallow body design so device and wires can easily fit into wall box; back and side wired, #10-#14 AWG copper wire only; break-off plaster ears allows for easy positioning and firm attachment; installation instructions included 20A 250VAC, 6-20R, self-grounding; UL94, V2 Rating, UL Listed; outlet dimensions: 4.06 H x 1.31 L x 1.08 D; 1-year warranty