How to replace an old (1980s) light switch that has 2 black wires and one red wire (plus ground) - Quora
![Installing New Wall Light Switch with 2 Black and 1 Red Wire? | Electricians Forums | Electrical Safety Advice | Talk Electrician Forum Installing New Wall Light Switch with 2 Black and 1 Red Wire? | Electricians Forums | Electrical Safety Advice | Talk Electrician Forum](https://electricians.s3.eu-west-1.amazonaws.com/data/attachments/62/62892-68665e5d932e1ff888298213a191042f.jpg)
Installing New Wall Light Switch with 2 Black and 1 Red Wire? | Electricians Forums | Electrical Safety Advice | Talk Electrician Forum
![What's the purpose of this looped black wire on my single pole switch? Trying to install a in wall timer switch that requires 3 wires : r/askanelectrician What's the purpose of this looped black wire on my single pole switch? Trying to install a in wall timer switch that requires 3 wires : r/askanelectrician](https://external-preview.redd.it/86qDP_phYYFWsQDyKskoP2fk5arx4_vO1KhtFFZLAoU.jpg?width=640&crop=smart&auto=webp&s=c13396ca5ccc12ea150f75e1b0f54dbb0807d56a)
What's the purpose of this looped black wire on my single pole switch? Trying to install a in wall timer switch that requires 3 wires : r/askanelectrician
![Old outlet has 2 black wires and 2 white. Is it safe to connect two white and two black under one screw with the new outlet? Thank you! : r/electrical Old outlet has 2 black wires and 2 white. Is it safe to connect two white and two black under one screw with the new outlet? Thank you! : r/electrical](https://i.redd.it/old-outlet-has-2-black-wires-and-2-white-is-it-safe-to-v0-brnjid63iava1.jpg?width=3024&format=pjpg&auto=webp&s=2bbfdb175b441edd553fa0efdd8e529925962474)
Old outlet has 2 black wires and 2 white. Is it safe to connect two white and two black under one screw with the new outlet? Thank you! : r/electrical
![wiring - What's going on with this lightswitch (two wires to bottom connect, not connected on top) - Home Improvement Stack Exchange wiring - What's going on with this lightswitch (two wires to bottom connect, not connected on top) - Home Improvement Stack Exchange](https://i.stack.imgur.com/6V3HP.png)
wiring - What's going on with this lightswitch (two wires to bottom connect, not connected on top) - Home Improvement Stack Exchange
![wiring - Converting switched outlet with 2 black and 1 red for a smart switch - Home Improvement Stack Exchange wiring - Converting switched outlet with 2 black and 1 red for a smart switch - Home Improvement Stack Exchange](https://i.stack.imgur.com/1TBFl.jpg)
wiring - Converting switched outlet with 2 black and 1 red for a smart switch - Home Improvement Stack Exchange
![home wiring help - replacing light switch with 4 wires (2 red/2 black) | Electricians Forums | Electrical Safety Advice | Talk Electrician Forum home wiring help - replacing light switch with 4 wires (2 red/2 black) | Electricians Forums | Electrical Safety Advice | Talk Electrician Forum](https://electricians.s3.eu-west-1.amazonaws.com/data/attachments/2/2548-59ad0adf8951d298c6b0e1b28da81010.jpg)