From A Outlet Diagram Wiring For Switches. Usually the wiring which you are installing will be affixed to the final outlet in the current run of. This type of wiring makes multiple lights.
With this wiring both the black and white wires are used to carry 120 volts each and the white wire is wrapped with electrical tape to label it hot. Switched outlet wiring diagram depicts the electrical power from the circuit breaker panel entering the switched electrical receptacle outlet box where a two wire cable goes to the switch and another two wire cable feeds power to another outlet that is live at all times. Here coloured wires indicate the permanent mains supply to the boiler and programmer.
It might help to make several copies of the wiring diagram and trace the circuit that youre interested in with.
In this gfci outlet wiring and installation diagram the combo switch outlet spst single way switch and ordinary outlet is connected to the load side of gfci. The upper outlet is controlled through the switch while the lower portion is always hot. It means all the connected loads to the load terminals of gfci are protected. To do this simply remove the breakaway fin tab between the brass terminals hot as shown in fig.