open neutral on mystery switch - DoItYourself.com Community Forums
How to Replace a Light Switch - dummies
Orro: The Home Lighting System
ST-029 Smart Home Light Switch - How To Identify Live/Hot Wire, Neutra – Sintron Technology
How to know where the hot wire goes? Is it on the top or bottom of the switch - Quora
Shared hot wire : r/Lutron
electrical - Is it normal to have a light switch setup using only the hot wire? - Home Improvement Stack Exchange
Does it matter which wire goes where on a light switch? - Quora
Which Wires are Required for Installation of the Smart Dimmer Switch? Can I install this device if I only have 2 wires or do not have a neutral wire? : CE Smart Home
Neutral from a light switch used as a hot? : r/electricians