![wiring - In a light switch, how can I tell if the black wire is really hot and the white wire is really neutral? - Home Improvement Stack Exchange wiring - In a light switch, how can I tell if the black wire is really hot and the white wire is really neutral? - Home Improvement Stack Exchange](https://i.stack.imgur.com/AC3wn.jpg)
wiring - In a light switch, how can I tell if the black wire is really hot and the white wire is really neutral? - Home Improvement Stack Exchange
![lighting - How to convert Light Switch from 2 red, 2 black, and ground to 1 traveler, 1 neutral, and a ground? - Home Improvement Stack Exchange lighting - How to convert Light Switch from 2 red, 2 black, and ground to 1 traveler, 1 neutral, and a ground? - Home Improvement Stack Exchange](https://i.stack.imgur.com/JYreh.jpg)
lighting - How to convert Light Switch from 2 red, 2 black, and ground to 1 traveler, 1 neutral, and a ground? - Home Improvement Stack Exchange
![electrical - How do I connect a light to a switch when the light receives power first? - Home Improvement Stack Exchange electrical - How do I connect a light to a switch when the light receives power first? - Home Improvement Stack Exchange](https://i.stack.imgur.com/JBfps.png)
electrical - How do I connect a light to a switch when the light receives power first? - Home Improvement Stack Exchange
![DIY-er here trying to install dimmer light switch. Got 3 black wires on the light switch, do I just connect them all together with WAGO and then the green to the ground? DIY-er here trying to install dimmer light switch. Got 3 black wires on the light switch, do I just connect them all together with WAGO and then the green to the ground?](https://i.redd.it/j65o4dxkqih91.jpg)