Open Neutral Wiring Diagram. And that the neutral is open somewhere in the branch circuit neutral. Multi wire branch circuit with open neutral wiring diagram 1 circuit electrician neutral.
It can be integrated to work with all other shelly devices. The incoming white or neutral wire should be connected to the other light fitting terminal. With the progression of wiring standards over the years there are several electrical wiring colour coding used in homes around uk.
In a normal situation with the neutral path intact you would have 120 volts measured from across the light bulb or the receptacle.
In this updated diagram 3 wire cable runs between the receptacle and switch and the red cable wire is used to carry the hot source to the switch. Wide range of voltage support. If the voltage from the hot wire to the lifted neutral wire is above 0 volts there is a ground fault on the lifted neutral wire. In this case both sides of the light hot and neutral are the same thus no potential difference voltage and the bulb does not light up.