How to Connect Light Fixture Wiring
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How should I connect the wires from the light fixture to the other wires? The Key to Wiring Connections when Installing Light Fixtures.
© By: Dave Rongey
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Light Fixture Wiring
Electrical Question: How should I connect the wires from the light fixture to the other wires?
I am installing a light fixture where a ceiling fan was originally. The light switch has a red and black wire attached to the side terminals and the white wires are connected together. Where the light fixture is the power continues to other fixtures so their are 4 black wires and 4 white wires plus the 1 red wire and a ground wire.
Should I connect the white wire from the fixture to the other 4 white wires and the black wire from the fixture to the red wire?
This home electrical question came from: Rod, a Homeowner from Saskatoon, Canada.
Dave’s Reply:
Thanks for your home electrical wiring question Rod.
How to Fix Light Fixture Wiring Problems
Skill Level: Beginner to Intermediate – Best performed by a Licensed Electrician.
Tools Required: Basic Electricians Pouch Hand Tools, a non-aluminum ladder and Voltage Tester or Voltage Tracer.
Estimated Time: Depends on personal level experience, ability to work with tools and access to the ceiling light fixture(s).
Precaution: Identify the light circuit, turn it OFF and Tag it with a Note before working with the electrical wires.
Notice: Installing additional fixture wiring and making electrical wiring connections should be done according to local and national electrical codes and may require a permit and inspection.
The Key to Wiring Connections when Installing Light Fixtures
- When there are multiple wires in the light fixture junction box or at the light switch box then the wiring must be identified using a voltage tester.
- In situations like this a “white wire” may not be used ans a neutral wire, but it might actually be used for switching the hot side of the circuit.
- The key is to identify the circuit wiring and understand what each wire is used for in order to achieve the correct wiring configuration.
- If you do not have an understanding of electrical circuit wiring and practical experience of wiring a home then this may be very difficult to understand and it is always best to locate a licensed electrical contractor who can make the required voltage tests and make the electrical wiring connections to get your light fixture working properly.
More about Home Electrical Wiring and Ceiling Fan Wiring
Wiring Ceiling Fans

How to Install Ceiling Fans
Take the mystery out of ceiling fan wiring. Ceiling Fans are a great way to lower your energy bill and brighten up one of your favorite rooms.
How to Install Ceiling Fans and Wiring
Step-by-step pictures – Easy wiring diagrams and installation guide – Light and fan switch variations.
Ceiling Fan Wiring
How to Wire a Switch

Wiring a Light Switch – Diagram 1
Wiring Diagrams
Fully Explained Light Switch Wiring Diagrams. Detailed Electrical Wiring Diagrams and Pictures assist your Home Electrical Projects.
Guide to Home Electrical Wire

Electrical Wire for the Home
Complete listing of electrical wire types and parts used for home projects with electrical code information serves as selection guidelines.
Lighting For The Home
For more information about Home Wiring
Home Wiring

Home Wiring
Basic Home Wiring Diagrams with Pictures
The following may also be helpful for you:
A Complete Guide to Home Electrical Wiring
Be sure to get your copy of my BIG Book:
Perfect for Homeowners, Students and Electricians
Includes:
Home Electrical Wiring - Room by Room
120 Volt Circuits
240 Volt Circuits
Multi-Wired Circuits
Wiring Methods for Installing Home Electrical Circuit Wiring
Electrical Codes for Home Electrical Wiring
....and much more.
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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
Electrical Tips to Help You Wire it Right
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The Safest Way to Test Electrical Devices and Identify Electric Wires!
The Non-Contact Electrical Tester
This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester that I use to easily Detect Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.
The Quickest Way to Check for Faulty Electrical Wiring!
The Plug-In Outlet Tester
This is the first tool I grab to troubleshoot a problem with outlet circuit wiring. This popular tester is also used by most inspectors to test for power and check the polarity of circuit wiring.
It detects probable improper wiring conditions in standard 110-125 VAC outlets
Provides 6 probable wiring conditions that are quick and easy to read for ultimate efficiency
Lights indicate if wiring is correct and indicator light chart is included
Tests standard 3-wire outlets
UL Listed
Light indicates if wiring is incorrect
Very handy and easy to use.
Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!
The Wire Stripper and Wire Cutter
My absolute favorite wire stripping tool that I have had in my personal electrical tool pouch for years, and this is the tool I use to safely strip electrical wires.
This handy tool has multiple uses:
The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation.
The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets..
The wire stripper will work on both solid and stranded wire. This tool is Very Handy and Easy to Use.
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Electrical Parts to Help You Wire it Right
Residential Electrical Parts and Accessories
Light Switches
120volt Outlets
Circuit Breakers
Electrician Tools
Voltage Testers
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