UK Install. No neutral, simple rocker switch.

    I have had a good look and I can't find the answer either here or on the Shelly help pages.

    Before I try to install I want to check that I am going to do it right.

    I have standard UK wiring for a one way light switch (It has two terminals, one is a common marked as COM or C. The common is for the live wire that supplies the input voltage to the switch. The other terminal is marked as L1 and is the output to the light fixture.)

    I have no neutral.

    The existing switch is a simple open/closed on/off rocker switch.

    If I look at Fig 2 on the shelly picture it seems to show that I insert the Com and L1 in the right-hand side of the dimmer.

    Live would connect to the 'middle' L input. The L1 (the output to the light fixture) would go into the O.

    On the left-hand side, SW1, SW2 and L look like they just need continuity, but importantly no power?

    If that is the case then I would take the existing live and L1 wires out of the switch and put them in the dimmer as described above.

    Then I would need to put 2 short (unpowered) wires, one from the switch's Com to L, and the other from the switch's L1 input to SW1 or SW2. All this would do is create a continuity loop, but provide no power.

    Sorry, I know that this is the most basic question, but does that seem right?

    Thanks!

    I just wired three of these without neutrals last weekend.

    The three live connections on the shelly are connected together internally so you don't need to worry about which is which for the shelly. They are going through the PCB though so I wouldn't use the shelly as a junction block!

    All of my switches had passthrough live to the next light so I kept those live's together at the switch, using the switch as a junction block. Then just a live jumper wire to the shelly and the switched live to SW1 and the shelly output to the light fitting.

    The fig 2 diagram is correct but you don't have to wire a separate live for the switch back to the shelly, as long as there's at least one live going to the shelly it will work.

    Thanks Andre.

    Sounds like I am going to be able to make it work then.

    Wish me luck!

    How did you get on with this? Did you happen to take any pictures of your wiring? I'm going to be attempting a few of these soon and I'm feeling sort of confident (it's gotta be easier than the two way switch I already did, right?) but I'd like to be as clued up as possible before I start!

    I've just received my first Shelly device, a Dimmer 2 and have this exact setup. Struggling to get it working properly though.

    Attached how it's wired, same as mentioned above. Odd thing is that I need to switch it twice to turn on, and twice to turn off again. Also the state does not seem to get fed back to either the Shelly app or the Google Home app.

    Feels like lit's close, but I'm not quite there!

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