Receptacle duplex with isolated ground, heavy-duty decorator hospital grade. IG symbol and isolated ground markings for easy identification and circuit delineation. Triple-wipe brass contacts ensure lasting, positive contact with plug blades. High-impact resistant nylon face resists impacts and scrapes. Corrosion-resistant plated steel strap. Patented feature, external screw-pressure-plate back wire clamp on ground terminal for faster, easier installation. Plastic barrier isolates grounding terminal from mounting strap and metal boxes. Side and internal screw-pressure-plate back wire capability with #14-#10 AWG copper or copper-clad, solid or stranded wire. Auto-ground clip assures positive ground.