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light switch has 2 black wires

2 black wires, 2 white wires, and 1 red wire - DoItYourself.com Community  Forums
2 black wires, 2 white wires, and 1 red wire - DoItYourself.com Community Forums

Can't figure out this switch. Have 3 black wires instead of regular 2. -  TP-Link Community
Can't figure out this switch. Have 3 black wires instead of regular 2. - TP-Link Community

How to replace an old (1980s) light switch that has 2 black wires and one  red wire (plus ground) - Quora
How to replace an old (1980s) light switch that has 2 black wires and one red wire (plus ground) - Quora

Two black wires one red wire : r/askanelectrician
Two black wires one red wire : r/askanelectrician

Why does this switch have two live wires? - 💬 Lounge - Hubitat
Why does this switch have two live wires? - 💬 Lounge - Hubitat

Light switch short when switched up and is on when down. 2 black 1 red wire  : r/electricians
Light switch short when switched up and is on when down. 2 black 1 red wire : r/electricians

3 Way Switch Installation - YouTube
3 Way Switch Installation - YouTube

electrical - Light Switch with 2 black wires and one red - Home Improvement  Stack Exchange
electrical - Light Switch with 2 black wires and one red - Home Improvement Stack Exchange

electrical - Two black wires into same terminal on light switch - Home  Improvement Stack Exchange
electrical - Two black wires into same terminal on light switch - 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
wiring - What's going on with this lightswitch (two wires to bottom connect, not connected on top) - Home Improvement Stack Exchange

Two black wires for a switch
Two black wires for a switch

3 way switch setup - Wiring Discussion - Inovelli Community
3 way switch setup - Wiring Discussion - Inovelli Community

Installing HS200 for a single pole light switch with 3 black wires -  TP-Link Community
Installing HS200 for a single pole light switch with 3 black wires - TP-Link Community

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

walls - Two light switches and three black wires - Home Improvement Stack  Exchange
walls - Two light switches and three black wires - Home Improvement Stack Exchange

Installing GE Aux Switch (2 red, 1 black wires) - Devices & Integrations -  SmartThings Community
Installing GE Aux Switch (2 red, 1 black wires) - Devices & Integrations - SmartThings Community

Help Wiring a Switch with 2 black wires and one white - RedFlagDeals.com  Forums
Help Wiring a Switch with 2 black wires and one white - RedFlagDeals.com Forums

Light switch has 2 hot wires
Light switch has 2 hot wires

Help Wiring a Switch with 2 black wires and one white - RedFlagDeals.com  Forums
Help Wiring a Switch with 2 black wires and one white - RedFlagDeals.com Forums

3-Way Switch Wiring: A Step-by-Step Guide - Bob Vila
3-Way Switch Wiring: A Step-by-Step Guide - Bob Vila

Single pole switch with 3 sets of wires? - DoItYourself.com Community Forums
Single pole switch with 3 sets of wires? - DoItYourself.com Community Forums

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

Identifying Wires on Your Old Switch – Brilliant Support
Identifying Wires on Your Old Switch – Brilliant Support

Light switch only has two black wires. Can I add an outlet without white  (neutral) wire? : r/askanelectrician
Light switch only has two black wires. Can I add an outlet without white (neutral) wire? : r/askanelectrician

Wyze Switch: neutral wire question - Power & Lighting - Wyze Forum
Wyze Switch: neutral wire question - Power & Lighting - Wyze Forum