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.
![electrical - Replacing Single Pole Switch with 3 Wires with a Smart Switch - Home Improvement Stack Exchange electrical - Replacing Single Pole Switch with 3 Wires with a Smart Switch - Home Improvement Stack Exchange](https://i.stack.imgur.com/qmxZh.jpg)
electrical - Replacing Single Pole Switch with 3 Wires with a Smart Switch - Home Improvement Stack Exchange
![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)
electrical - How do I identify six light switch wires with a multimeter? - Home Improvement Stack Exchange
![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
![Simple wiring question - pls help identify line, load and ground. This is a Legrand TM870. Trying to install my KASA smart switch. : r/TPLinkKasa Simple wiring question - pls help identify line, load and ground. This is a Legrand TM870. Trying to install my KASA smart switch. : r/TPLinkKasa](https://i.redd.it/5j2nrpe3jlk61.jpg)