Potentially dumb question but why is there red, black, brown and grey wires in the switch fitting? : r/DIYUK
Ground Wire Color and Other Electrical Wire Color Codes
Do i have neutral wire? I am asking in order to know what light switches to look at before hiring an electrician to install them! The switch in the photo is connected
wiring - How do I wire this light switch? - Home Improvement Stack Exchange
Mystery grey wire in ceiling rose | DIYnot Forums
Red, blue, white wires in Light switch
Amazon.com: Grote 44440 Gray Automatic Electronic Dome Light Switch w/ Timer, Grey : Automotive
Light switch - Wikipedia
Can someone explain the wiring in my switch? It's from the 80s in the UK. What is the grey wire? And is the unshethed wire the ground? : r/electricians
What is the gray wire coming from the ceiling? - Quora
How to Wire a Light Switch | HGTV
wiring - Are the gray wires in my switch boxes neutrals? - Home Improvement Stack Exchange
How to identify wires in a light switch - Quora
How To Install A Light Switch (Safely) | Bankrate
Two way switched lighting circuits #1
electrical - Replacing a standard 2-gang light switch with an electric dimmer switch - Home Improvement Stack Exchange