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what is blue wire in light switch

electrical - Looking to replace light switches - 2x blue, 2x black wires -  Home Improvement Stack Exchange
electrical - Looking to replace light switches - 2x blue, 2x black wires - Home Improvement Stack Exchange

House Electrical Wiring Color Codes | Mr. Electric
House Electrical Wiring Color Codes | Mr. Electric

Sonoff light switch wiring | AVForums
Sonoff light switch wiring | AVForums

UNDERSTANDING THE COLOR CODES ON ELECTRICAL WIRES — RSB Electrical Inc.
UNDERSTANDING THE COLOR CODES ON ELECTRICAL WIRES — RSB Electrical Inc.

How to Wire a Light Switch: The Switch Leg Loop/Drop - YouTube
How to Wire a Light Switch: The Switch Leg Loop/Drop - YouTube

What are the blue wires for this switch? The grounds? : r/AskElectricians
What are the blue wires for this switch? The grounds? : r/AskElectricians

Blue Series 4 way with light in the middle wiring help - Wiring Discussion  - Inovelli Community
Blue Series 4 way with light in the middle wiring help - Wiring Discussion - Inovelli Community

Ground Wire Color and Other Electrical Wire Color Codes
Ground Wire Color and Other Electrical Wire Color Codes

How to wire an exterior spotlight with brown, blue, and green/yellow cables  to old fashioned wiring that has 3 red, 2 black, and 1 white cables from a  switch - Quora
How to wire an exterior spotlight with brown, blue, and green/yellow cables to old fashioned wiring that has 3 red, 2 black, and 1 white cables from a switch - Quora

Two Way Switches (EU/UK) - The Engineering Mindset
Two Way Switches (EU/UK) - The Engineering Mindset

Light switch blue wire stripped in the middle : r/electrical
Light switch blue wire stripped in the middle : r/electrical

Black and blue wires in light switch - DoItYourself.com Community Forums
Black and blue wires in light switch - DoItYourself.com Community Forums

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

lighting - 4 Wires in Switch Box - Ceiling Fan/Light - Home Improvement  Stack Exchange
lighting - 4 Wires in Switch Box - Ceiling Fan/Light - Home Improvement Stack Exchange

How To Replace A Light Switch: Single-Pole And More
How To Replace A Light Switch: Single-Pole And More

Changing 3x Old Light Switch | DIYnot Forums
Changing 3x Old Light Switch | DIYnot Forums

How to replace faulty motion light switch with regular light switch? Where  do I put the black and blue wires here? I suspect the blue is power coming  in but not 100%
How to replace faulty motion light switch with regular light switch? Where do I put the black and blue wires here? I suspect the blue is power coming in but not 100%

Three-Way Switch Wiring | How to Wire 3-Way Switches | HomeTips
Three-Way Switch Wiring | How to Wire 3-Way Switches | HomeTips

What are the blue wires for this switch? The grounds? : r/AskElectricians
What are the blue wires for this switch? The grounds? : r/AskElectricians

Black and blue wires in light switch - DoItYourself.com Community Forums
Black and blue wires in light switch - DoItYourself.com Community Forums

Red, blue, white wires in Light switch
Red, blue, white wires in Light switch

wiring - Changing out programmable Light Switch, wire help needed! - Home  Improvement Stack Exchange
wiring - Changing out programmable Light Switch, wire help needed! - Home Improvement Stack Exchange

Need help in 3 way setup for blue 2 in 1 - Wiring Discussion - Inovelli  Community
Need help in 3 way setup for blue 2 in 1 - Wiring Discussion - Inovelli Community

4-way switch problem - Wiring Discussion - Inovelli Community
4-way switch problem - Wiring Discussion - Inovelli Community