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why are there 4 wires on my light switch

Wiring ceiling light fixture with 4 wires - Home Improvement Stack Exchange
Wiring ceiling light fixture with 4 wires - Home Improvement Stack Exchange

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

Light switch - Wikipedia
Light switch - Wikipedia

3 Way Switch Wiring Diagram
3 Way Switch Wiring Diagram

electrical - Replacing dining room Light switch : 4 wires, what is the pink  for? - Home Improvement Stack Exchange
electrical - Replacing dining room Light switch : 4 wires, what is the pink for? - Home Improvement Stack Exchange

4 Way Switch Wiring Diagram
4 Way Switch Wiring Diagram

Why are there four electrical lines (12 wires) in this ceiling fan box? -  Home Improvement Stack Exchange
Why are there four electrical lines (12 wires) in this ceiling fan box? - Home Improvement Stack Exchange

Looped-in lighting wiring - the ceiling rose
Looped-in lighting wiring - the ceiling rose

Help Wiring Light Switch w/ 4 Wires | DIY Home Improvement Forum
Help Wiring Light Switch w/ 4 Wires | DIY Home Improvement Forum

electrical - Old switch has four wires and no discernable ground - Home  Improvement Stack Exchange
electrical - Old switch has four wires and no discernable ground - Home Improvement Stack Exchange

DIY smart home: What's a neutral wire and what to do if you don't have one  | Tom's Guide
DIY smart home: What's a neutral wire and what to do if you don't have one | Tom's Guide

can anyone explain why I have 4 wires coming into my light switch? : r/DIYUK
can anyone explain why I have 4 wires coming into my light switch? : r/DIYUK

Is it possible to wire a 4-way switch with the lights in the middle? - Quora
Is it possible to wire a 4-way switch with the lights in the middle? - Quora

electrical - Can someone tell me what/how there are 4 wires on one switch  and if they're necessary? - Home Improvement Stack Exchange
electrical - Can someone tell me what/how there are 4 wires on one switch and if they're necessary? - Home Improvement Stack Exchange

Single Pole Light Switch with 4 Wires | DIY Home Improvement Forum
Single Pole Light Switch with 4 Wires | DIY Home Improvement Forum

wiring - 4 black wires for light switch - Home Improvement Stack Exchange
wiring - 4 black wires for light switch - Home Improvement Stack Exchange

I'm replacing a light switch in my house. only one black and one red wire  were connected. a white wire was not connected and just had electrical  tape. the new switch looks
I'm replacing a light switch in my house. only one black and one red wire were connected. a white wire was not connected and just had electrical tape. the new switch looks

Replacing a Light Switch with 4 Wires - RedFlagDeals.com Forums
Replacing a Light Switch with 4 Wires - RedFlagDeals.com Forums

wiring - Why do I have 4 brown (live wires) in my light switch - and no  blue (neutral) - Home Improvement Stack Exchange
wiring - Why do I have 4 brown (live wires) in my light switch - and no blue (neutral) - Home Improvement Stack Exchange

electrical - Why does my one-way switch have 4 wires? - Home Improvement  Stack Exchange
electrical - Why does my one-way switch have 4 wires? - Home Improvement Stack Exchange

What to Know About Light Switch Wiring Before Trying DIY Electrical Work
What to Know About Light Switch Wiring Before Trying DIY Electrical Work

Wiring a 4-Way Switch (DIY)
Wiring a 4-Way Switch (DIY)

How to Wire a Light Switch — Steps for Both Single-Pole and 3-Way Switches
How to Wire a Light Switch — Steps for Both Single-Pole and 3-Way Switches

My smart switch has 4 wires coming from it: a black wire, a blue wire, a  white wire, and a green wire. My wiring in the installation spot is black,  white, and
My smart switch has 4 wires coming from it: a black wire, a blue wire, a white wire, and a green wire. My wiring in the installation spot is black, white, and

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

4 way switch wiring - Power from light fixture to light switch setup -  Devices & Integrations - SmartThings Community
4 way switch wiring - Power from light fixture to light switch setup - Devices & Integrations - SmartThings Community