SOUTHWIRE Shockshield Portable Cordset, Manual Reset 120V/15A 6 Ft, Yellow & Gre
These cords have an outlet plug at one end and one or more receptacles at the other end that devices plug into. They can also be used with extension cords, in which case the GFCI plugs into the wall, the extension cord plugs into the GFCI, and the device plugs into the extension cord.