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3 Prong Cord Wiring For An Electric Dryer

How to Connect 3-Wire and 4-Wire Dryer Cords: How to Hook Up a 3Wire or 4Wire Dryer Cord.

Wiring a 3 Prong Dryer Cord
Electrical Question:I have an electric dryer with a 3 prong cord but my wall outlet is a 4 prong.

Background: Toni, a Other from Santa Cruz, California.

Additional Comments: Your website was helpful in showing me how to switch out a 3 prong to a 4 prong dryer cord.

Dave’s Reply:
Thanks for your electric wiring question Toni.

Connecting 3Wire and 4Wire Dryer Cords

Application: How to Wire an Electric 3Prong Dryer Cord.
Skill Level: Intermediate to Advanced. This electrical project is best performed by a Licensed Electrician or Electrical Contractor or Certified Electrician.
Tools Required: Basic Electricians Pouch Hand Tools and Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with tools and connect the 240 volt dryer cord.
Precaution: Identify the dryer circuit at the electric panel, turn it OFF and Tag it with a Note before working with the dryer cord wiring.
Notice: Wiring a dryer cord and making the electrical connections should be done according to local and national electrical codes and using approved materials.

How to Hook Up a 3Wire and 4Wire Dryer Cord

More about Wiring a Dryer Cord

The following resources will help you with the electrical wiring connections for your dryer.

How to Wire a 3 Prong and 4 Prong Dryer Cord
Dryer Wiring

Dryer Cord 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.


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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.

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FAQs Frequently Asked Questions and Comments

13 Responses to “3 Prong Cord Wiring For An Electric Dryer”
  1. Jose says:

    I don’t have a green ground wire or a bridge ground for my three prong dryer cord. Is it safe to hook it up without grounding the dryer?

    • Dave Rongey says:

      Hi Jose,
      It would not be safe to hook up a dryer without the protection that an approved bond to the ground system will provide. The dryer must be properly grounded to an approved ground source using approved wiring methods. A dedicated circuit for a 240 volt electric dryer should be installed as required.
      Be Safe!
      Dave

  2. Pam McMurray says:

    Bought a new whirlpool Cabrio dryer. It has 3 prong plug connection so I used plug from old dryer (also 3 prong). The instructions that came with the dryer say that the ground wire on the dryer should be disconnected and added to the center ground wire of the three plug connector. Then it says to connect the dryer ground using a separate copper wire “to an adequate ground”. What would that be?

    • Dave Rongey says:

      Hi Pam,
      The source for an adequate ground for a dryer plug or receptacle would be the ground wire of the dryer circuit. This ground wire is typically the bare copper wire or a green insulated wire which is part of the dryer circuit cable. A ground wire is required for all 120/240volt home electrical circuits. The only exception would be where the circuit wiring is inside a continuous electrical metallic conduit which has been installed with methods which are compliant with all applicable electrical codes.
      I hope this helps,
      Dave

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