View the thread, titled "How to replace double pole light switch with smart switch" which is posted in DIY Electrical Advice on Electricians Forums.

I want to replace a double pole light switch that I currently have in my hallway cupboard that controls my porch light. I want to replace this with a smart light switch so that I can control it remotely without having to open and hallway cupboard every time which is very inconvenient. The switch that I intend to purchase is the SONOFF T1UK1C which supports both Wifi and 433MHz RF remote control (in case Wifi does not work inside the cupboard).
Before going ahead I wanted to find out the correct wiring, so I am sure of what I am doing. I have attached here the current switch wiring and the wiring diagram from SONOFF for the smart switch:

IMG_20241125_095319.jpg

The above is how the current switch is wired:

51lzUFe0kzL._SL1000_.jpg51ys0xxvdoL._SL1000_.jpg

The above is the back of the intended smart switch and the recommended wiring diagram from SONOFF


My question is how do I take the current wiring to this SONOFF switch ?

Please do let me know if you need any more information or more clarify on the question.

Thanks in advance

Ravipal
 
The smart switch does not have the fuse protection so it can't be used especially if it is a ring final circuit.
 
It is not suitable for use as a replacement for the fused switch you have currently.
it could be added after the fused switch as per the instructions above.
 
It is not suitable for use as a replacement for the fused switch you have currently.
it could be added after the fused switch as per the instructions above.
Thanks, if I add it after the fused switch, how do I connect the neutral and earth wires
It is not suitable for use as a replacement for the fused switch you have currently.
it could be added after the fused switch as per the instructions above.
Thanks, yes I think I will do this. Since there is no neutral out on the smart switch, where do I connect the neutral out to the light ? does it go together into the same N in ? and also the smart switch does not have an earth so can I connect earth out from the fused switch directly to the earth from the light ?
 
Thanks, if I add it after the fused switch, how do I connect the neutral and earth wires

Thanks, yes I think I will do this. Since there is no neutral out on the smart switch, where do I connect the neutral out to the light ? does it go together into the same N in ? and also the smart switch does not have an earth so can I connect earth out from the fused switch directly to the earth from the light ?
Yes the neutrals will be connected together in the same terminal and the earth joined in a 2screw earth connector just behind the switch.
 

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