EATON 419GY 15-Amp 2-Pole 3-Wire 125-Volt Single Outlet Grounding Adapter with Grounding Lug, Gray Will convert a 2-pole polarized outlet to a 3-wire grounding outlet Grounding lug fastens to a wall plate mounting screw to assure excellent ground connection The safety tab extends the face on the adaptor to assure the grounding plugs cannot be plugged in incorrectly Convenient and resourceful amenity to have in your home that offers simple solutions for common, everyday issues The body is constructed of polypropylene to resist dirt and marring and is ribbed for sure insertion and removal