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Troubleshooting Sonoff ZBMINIL2 installation for 2-way switch integration with Home Assistant

The wiring is incorrect. The switch does not go to Live, it goes from S1 to S2. Do what you have, but take the end of the switch chain back to S1
Rohit Gupta's user avatar
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2 votes
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How do I wire a a new light switch to old wiring?

If you look carefully at the picture of your old switch, you can see the word "common" near where the two reds are connected. This corresponds to the "COM" marking on the new ...
Bart van Ingen Schenau's user avatar
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More 3 way working questions

Figure 1. A 2-way lighting circuit with 3-wire switches. (Image mine.) How it works: With both switches up current will flow through the upper traveller wire. LAMP1 will be powered. With both ...
Transistor's user avatar
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How should I install a three-way smart light switch in this situation?

Assuming the cable that runs between the two three way switches has three conductors it should be possible to use this switch. You might have to put switched live or supply live on one of the ...
Jasen's user avatar
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1 vote

How should I install a three-way smart light switch in this situation?

It sounds like the new switch is not capable of working in a 3-way circuit with a dumb 3-way switch, or, at least, not at this position in the 3-way circuit. There are a couple of possible causes/...
FreeMan's user avatar
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2 votes

Single pole switch at the end of a three way switch

Smart Switches to the Rescue! A normal 3-way switch setup has: Two travelers - at any given time, one has power and the other doesn't. If the one with power (based on "switch 1") is ...
manassehkatz-Moving 2 Codidact's user avatar
1 vote

Single pole switch at the end of a three way switch

The outside light is most likely powered by the switch leg of the 3-way. Some thoughts: if there is constant power in the 3-way box, then use that to power the single pole. (there must be a neutral ...
RG Hughes's user avatar
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1 vote

Single pole switch at the end of a three way switch

It may be possible, depending on what wires are available in the outside light switch, but it will not work the way you are expecting or hoping. If you have both travelers in the outside light switch ...
BaddDadd's user avatar
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3 votes
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Identifying which is neutral in 3-way wiring

Assuming you have a functioning ground in each box, which is not 100% guaranteed, but should be the case for any 1960s or later house, and many earlier ones as well, and assuming your 3-way switch ...
manassehkatz-Moving 2 Codidact's user avatar
2 votes
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How can I get a hot wire in this 2-gang with only traveler wires?

I was able to get this work by converting the other switch (not pictured) for light A to a SPST and re-purposing the traveler wires - one for dedicated hot and the other to just carry the load from ...
Adam's user avatar
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6 votes
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What is a traveler wire and how does it work?

A traveler, in the context of the US terms 3-way and 4-way switches, is a wire between switches which sometimes carries power and sometimes does not, depending on switch positions. The specific ...
manassehkatz-Moving 2 Codidact's user avatar
6 votes

How can I get a hot wire in this 2-gang with only traveler wires?

Yeah, I grasped your intent from the original post. The pics match my presumptions, except both switches here are the last switch in a power-switch-switch-lamp wiring arrangement, so there is no way ...
Harper - Reinstate Monica's user avatar
1 vote
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Add an additional light to the end of a standard three-way switch/light configuration

Will the pictured solution work? Hard no. Switches are not reliable places to tap things. Who wrote that? AI? Or a Home Depot employee? LOL To see why, let's color the wires by their actual function....
Harper - Reinstate Monica's user avatar
1 vote

Add an additional light to the end of a standard three-way switch/light configuration

You need neutral and switched hot. At the right switch you have switched hot but you don't have neutral. Solutions are going to involve either new cables or smart switches. Smart switches can help ...
manassehkatz-Moving 2 Codidact's user avatar

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