Wiring Two Outlets Together. Using this method any break or malfunction at one outlet will likely cause all the outlets that follow to fail as well. You pigtail them by twisting the three wires together and screwing a wire nut over the end.
Make sure the cable sheath remains secured inside the box. To save money you can put in a single gfci and then wire additional standard outlets to the load output from the single gfci. Wiring two outlets in one box in this diagram two duplex receptacle outlets are installed in the same box and wired separately to the source using pigtails spliced to connect the terminals of each one.
Mount the new box in the opening.
In this diagram wall outlets are wired in a row using the terminal screws to pass voltage from one receptacle to the next. White neutral wire to a silver colored terminal screw. Pull the cable through a hole in the back of the electrical box separate the wires and strip an inch of insulation off the end of each one. The other cable goes to the next outlet in the chain.
