good evening.
I have recently acquired a Sonoff T1 UK wifi light switch which requires a neutral wire for permanent power to the switch electronics. I would like to fit it to a 1-gang 1-way switch that I currently have in my bedroom, which is switching two light roses. The house is modern and was built in 2014 and conforms to the latest standards.
After removing the current light switch, I think I am right in determining (although I am not an electrician), that the switch has been installed with "loop in at the switch", as the diagram shows above. I have taken a few photos of the layout below, which I pretty sure is what is shown in the diagram. Coming into the light switch are three cables with brown lives, blue neutral and earths. Two of the brown lives are connected together into the COM terminal, and a single brown live into the L1 terminal. All three blue neutral wires are connected to a chocolate box with two terminals, with the other containing the three earths.
In order for the wifi light switch to work, it needs a continual power supply regardless of the state of the switching light circuit. Hence I need to get a neutral wire into the light somehow. Here's a diagram of the back of the unit.
So, this is how I interpret I can do this:
1. Put the COM connected dual live wires of the ring main into the permanent live terminal Lin.
2. Connect the L1 switched live of the lights into the switched live terminal Lout.
3. Ideally, get the 3 blue neutrals in the chocolate box into the Nin terminal. However, as the terminal is quite small and the wires are quite chunky, is it ok to put a small bridging wire from the chocolate box terminal connecting the 3 neutral wires, into the neutral terminal of the switch?
I have recently acquired a Sonoff T1 UK wifi light switch which requires a neutral wire for permanent power to the switch electronics. I would like to fit it to a 1-gang 1-way switch that I currently have in my bedroom, which is switching two light roses. The house is modern and was built in 2014 and conforms to the latest standards.
After removing the current light switch, I think I am right in determining (although I am not an electrician), that the switch has been installed with "loop in at the switch", as the diagram shows above. I have taken a few photos of the layout below, which I pretty sure is what is shown in the diagram. Coming into the light switch are three cables with brown lives, blue neutral and earths. Two of the brown lives are connected together into the COM terminal, and a single brown live into the L1 terminal. All three blue neutral wires are connected to a chocolate box with two terminals, with the other containing the three earths.
In order for the wifi light switch to work, it needs a continual power supply regardless of the state of the switching light circuit. Hence I need to get a neutral wire into the light somehow. Here's a diagram of the back of the unit.
So, this is how I interpret I can do this:
1. Put the COM connected dual live wires of the ring main into the permanent live terminal Lin.
2. Connect the L1 switched live of the lights into the switched live terminal Lout.
3. Ideally, get the 3 blue neutrals in the chocolate box into the Nin terminal. However, as the terminal is quite small and the wires are quite chunky, is it ok to put a small bridging wire from the chocolate box terminal connecting the 3 neutral wires, into the neutral terminal of the switch?