![Smart Switch Installation - Line Wire vs Load Wire - Neutral vs Ground Wire - Find Neutral Wire - YouTube Smart Switch Installation - Line Wire vs Load Wire - Neutral vs Ground Wire - Find Neutral Wire - YouTube](https://i.ytimg.com/vi/fgnSvnhLOi4/maxresdefault.jpg)
Smart Switch Installation - Line Wire vs Load Wire - Neutral vs Ground Wire - Find Neutral Wire - YouTube
![I can't figure out how to connect the existing wires in my kitchen light switch to the kasa smart switch. The upper black wire appears to be a common but it doesn't I can't figure out how to connect the existing wires in my kitchen light switch to the kasa smart switch. The upper black wire appears to be a common but it doesn't](https://preview.redd.it/lq2dghry9bj61.jpg?width=3024&format=pjpg&auto=webp&s=43b4d9286a979f8fb3107b49c03e3347fb9cc1ee)
I can't figure out how to connect the existing wires in my kitchen light switch to the kasa smart switch. The upper black wire appears to be a common but it doesn't
![electrical - Wiring Leviton Smart 3-way Switch when Load Line Goes to the Fixture - Home Improvement Stack Exchange electrical - Wiring Leviton Smart 3-way Switch when Load Line Goes to the Fixture - Home Improvement Stack Exchange](https://i.stack.imgur.com/RFik6.png)
electrical - Wiring Leviton Smart 3-way Switch when Load Line Goes to the Fixture - Home Improvement Stack Exchange
I have a dimmer switch that requires 4 wires - line, load, ground and neutral. What are they? - Quora
Which wire should go to line or load on this light switch? Based on my research, I think line is connected to the top of this switch and load is the bottom.
![Belkin Official Support - How to install your Wemo WiFi Smart 3-Way Light Switch, WLS0403 in a 3-Way configuration Belkin Official Support - How to install your Wemo WiFi Smart 3-Way Light Switch, WLS0403 in a 3-Way configuration](https://s3.belkin.com/support/assets/wemo/image/316312/SF316312-001_EN_v2.png)
Belkin Official Support - How to install your Wemo WiFi Smart 3-Way Light Switch, WLS0403 in a 3-Way configuration
![electrical - How do I identify six light switch wires with a multimeter? - Home Improvement Stack Exchange electrical - How do I identify six light switch wires with a multimeter? - Home Improvement Stack Exchange](https://i.stack.imgur.com/DvE1K.png)