Receptacle Wiring Diagram. This wiring allows for source voltage at each outlet independent of the others in the circuit. A grounded contact at the bottom center is crescent shaped.
In this wiring diagram the builtin switch in the combo device controls a lighting point whereas outlet can be used for other loads. As shown in the fig the switch is firstly installed in the wiring the hot wire from switch feeds all the other parallel connected outlets hence the outlet on off operation can be controlled through the switch. The second method of wiring a mid run receptacle is to connect the receptacle to the circuit wires with pigtails that tap into the circuit wires passing through the box.
This wiring allows for source voltage at each outlet independent of the others in the circuit.
For wiring in series the terminal screws are the means for passing voltage from one receptacle to another. See actual switch box wiring diagram. 1 trick that we use is to printing a similar wiring diagram off twice. Any break or malfunction in one outlet will cause all the other outlets to fail.
