If any come out, you had a loose connection that could have arced and caused a fire, so you need to try it again.įrom there, continue to install per the instructions that came with your switch: This will ensure that they're all tightly held in place. Once you think you've got it good and tight, hold the nut then try to pull each wire out. You'll add 1 of the black wires from your switch to that bundle (total of 4 wires) and tighten the wire nut down on the whole thing. You'll need a new wire nut of the same size as the red one that's already there. You now have three wires to work with - 1 "green" and 2 "yellow" (they all have black insulation and all serve as "hot" wires, I'm just going with your overlay colors for ID purposes). You may have to twist & wiggle the wire a bit to get it out. To remove that wire, you'll push a small screwdriver into the little slot next to the backstab hole and pull the wire out. Plus, you need to get this switch out of the box, so all the wires have to come off it. Backstabs are notorious for failing over time, causing arcs and, potentially, house fires. You'll also need to remove the "backstab" wire (marked green in your overlay pic) from the back of the switch. Strip back each of the newly cut ends to the length specified in your instructions (usually about 1/2"). It looks like you've got plenty of wire in the box (which is good!), so cut off all the exposed wire to get rid of the bent part. Then you'll want to disconnect the wire from that screw and cut it. Once you've confirmed this (or taken my word for it), TURN THE BREAKER OFF AGAIN. Touching one probe to that black wire, and the other to the big bundle of white wires (with the red wire nut removed) should give you ☑20v no matter what position either of the two switches is in. You can confirm this by carefully measuring with a multimeter when the power is on. That black wire, looped around one switch screw and continuing to the other switch (conveniently highlighted yellow in your last picture) is the "hot" power supply coming into the switch box and eventually makes its way back to your breaker box. ![]() So what's the right way to wire this? Neutral into the red wire nut with the other neutrals, connect each black wire on the left toggle to the 2 black ones on the Kasa (does order matter?), and get the ground wrapped up in the green wire nut with the other grounds? What happens to that one extra black wire wrapped around the screw (and exposed there). I wasn't expecting to see this and am not sure what it's for or why the 2 switches that are unrelated are connected.Įdit: the right switch is part of a 3 way switch if that matters.Įdit 2: Added image with coloring to hopefully make the wiring more clear.Īlso one ground wire runs through both switches and then up into the end of the green wire nut. But theres that other wire on the side that's looped around the screw and connects to the foyer switch. Then there's the bare ground wire (I believe came off when removing the switch). When I opened everything up I found the toggle switch has 2 black wires coming out of it. The right switch is the indoor foyer light. The left switch is the porch light I'm switching out. UL certified for safety use.I'm trying to switch out an existing one way toggle switch for the Kasa HS200 smart switch. Trusted and reliable: Designed and developed in silicon valley, Kasa is trusted by over 4 million users.Enable ‘away mode’ to randomly switch on and off to trick potential intruders Scheduling: Use timer or countdown schedules to set your smart switch to automatically turn on and off while you’re home or away.Voice control: Enjoy the hands-free convenience of controlling the lights in your home with your voice via Amazon Alexa or Google Assistant perfect for times when your hands are full or entering a dark room. ![]() Turn electronics on and off from anywhere with your smartphone using the Kasa app, whether you are at home, in the office or on vacation Control from anywhere: Monitor your light status.No need to understand complex switch wiring or master vs auxiliary switch configurations The Kasa app guides you through easy step by step installation. ![]()
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