![Electrical wiring to indoor light switch -- two black hot wires or one line/ load wire? - Home Improvement Stack Exchange Electrical wiring to indoor light switch -- two black hot wires or one line/ load wire? - Home Improvement Stack Exchange](https://i.stack.imgur.com/m0LYb.jpg)
Electrical wiring to indoor light switch -- two black hot wires or one line/ load wire? - Home Improvement Stack Exchange
![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
![Belkin Official Support - How to install your Wemo WiFi Smart 3-Way Light Switch, WLS0403 in a 2-Way configuration Belkin Official Support - How to install your Wemo WiFi Smart 3-Way Light Switch, WLS0403 in a 2-Way configuration](https://s3.belkin.com/support/assets/wemo/image/316311/SF316311-001_EN_v2.png)
Belkin Official Support - How to install your Wemo WiFi Smart 3-Way Light Switch, WLS0403 in a 2-Way configuration
![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
![4-way switch wiring help - line and load in same box - Devices & Integrations - SmartThings Community 4-way switch wiring help - line and load in same box - Devices & Integrations - SmartThings Community](https://global.discourse-cdn.com/smartthings/original/3X/b/1/b1ccfcfa661298e624779b9f6b3d8c66cac7dc8d.jpg)
4-way switch wiring help - line and load in same box - Devices & Integrations - SmartThings Community
![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)