Electrical Outlet Wiring Diagrams. All wires are spliced to a pigtail which is connected to each device separate from all the others in the row. With the light at the beginning middle and end a 3 way dimmer multiple lights controlling a. This is a polarized device.
The diagram below shows the power entering the circuit at the grounded outlet box location then sending power up to the switch and a switched leg back down to the outlet. Multiple outlet in serie wiring diagram. In this wiring the first and 3rd outlet hot terminals are connected to the line 2 blue and the second and last outlets hot terminals are connected to the line 1 red. The long slot on the left is the neutral contact and the short slot is the hot contact.
Electrical outlet boxes can have numerous nm cables going in and out.
These electrical wiring diagrams show typical connections. The diagram below shows the power entering the circuit at the grounded outlet box location then sending power up to the switch and a switched leg back down to the outlet. The long slot on the left is the neutral contact and the short slot is the hot contact. This wiring allows for source voltage at each outlet independent of the others in the circuit. If you add an outlet to a kitchen or bath it must be gfci protected.