![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
HELP PLEASE - Assistance wiring a Leviton DZS15 Switch - Devices & Integrations - SmartThings Community
![How To Wire A Light Switch With Two Black Wires | Home electrical wiring, Light switch, Diy electrical How To Wire A Light Switch With Two Black Wires | Home electrical wiring, Light switch, Diy electrical](https://i.pinimg.com/564x/9d/24/cd/9d24cdff2126669318ca95b1852be56f.jpg)