How to Install a Smart Light Switch 

Thank you. I have several of these in 2 and 3 gang boxes and have always been able to make it work. Much easier than replacing it with a deeper box.

Awesome. Thanks for your comment and for watching.

Awesome. Glad my video could help and thanks for watching.

You are welcome. Glad it helped and thanks for watching.

I have one light switch that didn't have a neutral wire ran to it which prevents a lot of these smart switches from working. They now make ones that don't require a neutral so it isn't a big deal anymore. I am not a huge fan of them as they draw power constantly but it's better than not having one I guess.

Glad I could help. Hope it works out for you.

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@Talon Louie instablaster ;)

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Thankfully I haven't had that issue but you are very correct. Putting in a new box to replace an older one is not the easiest task either.

A ground wire isn't required . If the switch doesnt have a ground option, there may be a screw you can tie the ground to. Otherwise it is not required.

@@ClintHolland thanks a lot!

You are correct, there are switches that don't require a neutral but I am not a big fan of them and here is why. They work by simply allowing power to flow to your light 24/7. So even when your light isn't on, electricity is flowing to the light. They just restrict it so that it isn't enough to light the bulb. If you are just using one or two for lights that don't have a neutral I would be ok with that. But if you plan on replacing all the lights in your home with this switch, it would be significant. For example, most of those switches draw about .2 Watts. That isn't much if you are talking about 1 or 2 switches. But many homes have upwards of 100 switches. At that point, you are pulling 200Watts of power all the time. Not sure what the rates are where you live but that is the equivalent of about $20 a month here.

@@ClintHolland thanks for that great explanation and advice. My intention is to only install smart switches on a few lights I only wish to use regularly as a matter of convenience. Right now they are still fairly pricey.

What are the colors of all the wires you have?

Not exactly sure the question. You have to buy it for any lights that you want to be able to control with the app.

Correct. You can either come from the wire nut with 2 separate neutral wires, one to each switch, or you can connect one neutral wire to switch 1 and from there jump it to switch 2.

Clint Holland the one I'm installing is tp link switch which has the green wire white and 2 black. Does it matter if connect the black wires on either one?

@@pleasingduck4976 What wires do you have coming from the wall?

Clint Holland from the wall is copper white and two black

@@pleasingduck4976 So the white is the neutral and one of the blacks is hot and the other one is for the light. You will need to figure out which black is hot first and that will need to be connected to the hot or line connection on the switch. And you can share that black hot wire with the 2nd switch as well. That help?

You could certainly use some of that expanding foam from the hardware store to seal them. They also sell gaskets that will do almost the same thing.

@@ClintHolland that seal foam rises too much, but a gasket sounds interesting or maybe caulk?

It will not. What you have most likely is a bare ground wire, a hot wire and a load wire. You need a neutral wire, usually white in color for this to work.

Have you verified you have the line and load wires correct? That sounds like something that would happen if you reversed those.

I suspect something is wired wrong or missed. These work just like a normal switch rather they are paired to the app or not. I suspect the neutral wire wasn't wired up.

Absolutely. I have one installed in every room in our house.

Have you tried the troubleshooting steps that start around 16:10?

If you only have 2 wires, these switches won't work. You have to have at least 3 wires, a hot, a neutral and the load wire. The only way to solve this is to have an electrician run a neutral wire to the box for you.

You can but not this model. Look on Amazon for smart switches without a neutral. They exist but I am not a huge fan of them.

@@ClintHolland thank you for replying. Yes, I have seen those switchers too and I don't like them either. I thought there was a way around this model. Anyway Thank you for answering the question.🙏

@@Heatlifer305 Well, the illegal and far from ideal method that many use is to connect the ground to the neutral on the switch. It technically works but can be dangerous.

By the way, I did try to switch the wires around as suggested. Nothing happened so I'm pretty sure the current connection is correct.

@@AmazingAndy My best guess is the switch is bad. Do you have a multimeter that you can test with?

Did you get it figured out? I'm having the same issue.

@Toughfox I ended up having to hire professional electricians. Even with them, it took 3 days to figure it out. 😓

@@AmazingAndy I have the same problem. What did they find to be the problem?

You don't actually have to have a ground wire. The only 3 wires required for this to work are the hot, neutral and load. While it is a good idea to connect the ground, it is not a requirement.

When you say they don't work, do you mean through the app or even if you push the buttons manually? Or both?

According to the instructions you simply touch the up button and hold your finger on it for about 10 seconds.

It sure does. Works just like a normal switch with or without network connectivity.

The easiest way is to reset the switch and simply set it up from scratch again. You can do this by pressing the button for 5 seconds. See the end of the video where I go through some troubleshooting steps.