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Garbage Disposal Electrical Wiring Diagram

How to Wire a Switch and Outlet for a Garbage Disposal: Disposal wiring diagrams with pictures for wiring the outlet.


Electrical Video #1

Generator Automatic Transfer Switch
and Electric Circuit Sub Panel

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Switched Outlet Wiring for a Kitchen Garbage Disposal
Electrical Question: I am going to install a garbage disposal outlet (1/2 hot, 1/2 switched) and switch.

Your diagrams for these are very clear, understandable, and I was very pleased to find them BUT, I want to add a GFCI duplex outlet in the 2-gang box with the switch. This GFCI will feed the disposal outlet but will not be switched. How do I incorporate this additional outlet to your disposal diagrams?  Or an alternative set up would be to wire the un-switched outlet (in the 2-gang box) so that it will feed through to the disposal/switched + hot outlet under the sink?
Thank you!

Background: Jeff, a Handyman from West Des Moines, Iowa.

Dave’s Reply:
Thanks for your electrical wiring question Jeff.

How to Wire a Switched and Outlet Wiring for a Garbage Disposal

Application: Wiring a Garbage Disposal Switch and Outlet.
Skill Level: Beginner to Intermediate – Best if wired by a Licensed Electrical Contractor.
Tools Required: Basic Electricians Pouch Hand Tools and a Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with tools, the location of the garbage disposal outlet and the avaiable access for the electrical wiring.
Precaution: Identify the outlet circuit, turn it OFF and Tag it with a Note before working with the wiring.
Notice: Installing additional outlet wiring should be done according to local and national electrical codes with a permit and be inspected.

Disposal Switch Wiring
dishwasher-disposal-wiring
Garbage Disposal Switch and Dishwasher Outlet Wiring

Electrical Wiring Codes
Electrical Code
Home Electrical Codes
Electrical Code Directory covering AFCI circuit, electrical-boxes, electrical-circuit, electrical-code-outlets, electrical GFCI, electrical-grounding, electrical-project, electrical-services, electrical-underground, electrical-wiring, electrical-wiring-code, lighting-codes and smoke-detectors.

Electric Outlet Wiring
outlet-wiring
Wiring Electrical Outlet for the Home

 

Electrical wire
electrical-wire
Electrical Wire for the Home

Outlet Wiring
Outlet Wiring
Wiring Electrical Outlets


The following may also be helpful for you:

Electrical Video #2

How to Wire a GFCI Outlet

without a Ground Wire

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» AskTheElectrician «

NOTE: A List of All my Helpful Videos
Will Display at the End of This Video
Keep Watching So I Can Help You Wire it Right!

Learn more about Home Electrical Wiring
with my Online Video Course:
Basic Home Electrical Wiring by Example

Dave's Guide to Home Electrical Wiring:

» You Can Avoid Costly Mistakes! «

Here's How to Do It:
Wire It Right with the help of my Illustrated Wiring Book

Great for any Home Wiring Project.
  electrical wiring  

Complete Guide to Home Electrical Wiring

Perfect for Homeowners, Students,
Handyman, Handy Women, and Electricians
Includes:
Wiring GFCI Outlets
Wiring Home Electric Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring Light Switches
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
NEC Codes for Home Electrical Wiring
....and much more.



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

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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FAQs Frequently Asked Questions and Comments

3 Responses to “Garbage Disposal Electrical Wiring Diagram”
  1. Troy says:

    How do wire a disposal from a wall plug that already has the dishwasher already wired off the same wall plug

  2. Thomas says:

    On the outlet under the kitchen sink for dishwasher and garbage disposal there are two set of wires, one coming for the left and one from the right, how do I identify the wiring for the garbage disposal?

  3. Dave Rongey says:

    Hi Thomas, The garbage disposal is typically controlled by a wall switch which is located near the kitchen sink, therefore the wiring for the garbage disposal outlet may be identified using a circuit tester to see which wire is controlled by the switch. The neutral wire of the circuit power will also need to be identified as well, keeping in mind that the two wires of one cable may be used to loop the power up to the switch and then returning back to the outlet box. Please see the wiring diagrams for garbage disposals which describe the two most common methods of wiring a garbage disposal controlled by a wall switch.
    I hope this helps you,
    Dave