I need help wiring a new dimmer switch and need help figuring out the wire configurations. The old switch had these wires: Black/black. Red/white. Red/black. Which one is line/lead/neutral? : r/fixit
How to tell if a light switch is bad - rytecelectric.com
Light Switch Crackling? Here's What To Do! - YouTube
Why your light switch is not working and how to fix it
Homeowners - Beware Of These Faulty Electrical System Signs! - Energy Today Electricians
Why do light switches make a crackling sound? - Walker Electrical Ltd
How to tell if a light switch is bad - rytecelectric.com
What to Do if Your Light Switch is Crackling - Local Electrical Group
How to Replace a Light Switch
Burning Electrical Smell – Budget Electrical Service