How to tell if the black wire in a light switch is really hot and the white wire is really neutral - Quora
![Which of these wires, black or red, is my hot wire? Both screws are brass. Also why is the white wire in the back unconnected? : r/askanelectrician Which of these wires, black or red, is my hot wire? Both screws are brass. Also why is the white wire in the back unconnected? : r/askanelectrician](https://external-preview.redd.it/g46p-DZ6gBYTwWEMcatSf0j84edDkvpxUXE87ew7mUs.jpg?width=640&crop=smart&auto=webp&s=aebd5244f85ff238fd448e2459d8026a0a2436e2)
Which of these wires, black or red, is my hot wire? Both screws are brass. Also why is the white wire in the back unconnected? : r/askanelectrician
![How to hard wire this switch for always on? Red and black are hot. No current 3 way for blue. 1959 house. : r/Hue How to hard wire this switch for always on? Red and black are hot. No current 3 way for blue. 1959 house. : r/Hue](https://preview.redd.it/how-to-hard-wire-this-switch-for-always-on-red-and-black-v0-obocmxxrylx91.jpg?auto=webp&s=fdf8be101367ed5e48cfbcef904b1fdd1c3903dc)
How to hard wire this switch for always on? Red and black are hot. No current 3 way for blue. 1959 house. : r/Hue
![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)