7/14/2023 0 Comments No neutral wire smart switch![]() Use with Aqara M2 hub to make it work with Apple HomeKit or Google Home / Alexa.If you are in doubt just chat with us, our friendly customer service reps are more than happy to answer your queries and quote you a bulk discount. Considering a smart switch based on a power greedy WiFi ESP8266 ( 800mA spikes and 100mA on idle, 3.3V ), there is the common situation to have the neutral wire missing from the wall switch box (left with 2 hot wires, maybe some earth wire that I don't want to consider in any way).Or if you don’t know whether you have one, like me. For example, none of these switches can handle the 20Amps power draw by heaters and aircon, so never use them with these. The Wetrendy Matter wifi Switch Without Neutral Wire Single Live Switch 1 Gang - WE17-NO neutral-black supplied by Wetrendy Smart Home. So when it comes to designing a smart home, a neutral wire can cause headaches if you don’t have one at your switch location. ProTip: Do not use Aqara Wall switches with devices that exceed the maximum power rating, if you do Aqara may not honour the warranty.Note: Be very sure which type of switch (neutral or non-neutral, single, double, triple) you need and going to buy, once opened it cannot be returned for exchange or swapping to the other model.However, if you get an electrician to run neutral wires for you then you may buy the Neutral Switches. All homes in Singapore do not have a neutral wire in the light switches, hence the default switches your should get are the non-neutral version.⚡Between Neutral and No-Neutral which one should I get?⚡.I thank you for all of the help over the years, especially the 3-way FAQ which I’ve poured over many times. I couldn’t find another post with someone with one smart switch and one regular operating together like this. Question is - is this setup safe? All of my knowledge and reading says ‘yes’ but was hoping someone with more experience can verify. A white cord is also used as a traveler, separate from the neutrals in the one box. ![]() They used two reds in the one box, one being a traveler and one being what I believe is the fan load (I verified red wires for lights when hanging the fans). Note the wire colors are screwy because we are dealing with fan and fan lights on separate switches, but on the same circuit. I’m only allowed one pictures, so I showed the wiring for where I put the smart switch. This is ok with me as I plan on using a door sensor to operate the lights anyway. If the dumb switch is off, the smart switch has no power. Smart switches that require a neutral wire will not work in this configuration because they always need a power source available to communicate with. This is sometimes referred to as a single pole switch loop. If the dumb switch is on, I can operate the smart switch normally. No neutral wire is used when the power source enters a lighting fixture directly, and the switch itself is used to complete the circuit. I have a GE Smart Dimmer on one box (which I believe is the auxiliary based on the pictures), and the other (I believe is the master) I left alone with the original switch since there is no neutral. I plan on getting the electrician out to run a neutral to the box under warranty, but I do have things temporarily working. One 3-way switch that controls patio LED lights (attached to fans, separate switch) does not have a neutral in the box. I took more than 30 out of the old home and brought them with me, so I’m familiar with wiring and getting things to work. I have a new construction home where I am installing smart switches. Hello - I’ve read a lot on this forum over the years to get help (thank you) but this is my first post.
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