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Wire Size for a 220 Volt Dryer Circuit


By Dave Rongey - Summary:

Install a 30 Amp 220 Volt Dryer Circuit: Guide to Wiring an Electric Dryer Circuit, Wire Size for Dryer, Electric Dryer Circuit Cable, Receptacle Outlet for a Dryer.


Guide to Wiring an Electric Dryer Circuit

Electrical Question: I am installing an electrical circuit for a 30 amp 220 volt dryer.

  • I need to know what size and type of wire to use?

Thanks

This electrical wiring question came from: George, a Homeowner from Sierra Vista, Arizona.
See more about Home Wiring for Arizona

Dave the Electrician’s Reply:
Thanks for your electrical wiring question George.

Install a 30 Amp 220 Volt Dryer Circuit

Application: Installing a 220 Volt Dryer Circuit.
Skill Level: Intermediate to Advanced, Best installed by a Licensed Electrical Contractor. Work in electrical panels is not recommended for homeowners, non-experienced individuals or non-electricians.
Tools Required: Basic Electricians Pouch Hand Tools, electric drill, auger bits and extension cord.
Estimated Time: Depends on personal level experience, ability to work with tools and install 220 volt electrical circuit wiring.
Precaution: Identify the main circuit of the panel, turn it OFF and Tag it with a Note before working with the wiring or installing the 220 volt wiring and circuit breaker.
Notice: Installing a 220 volt dryer circuit should be done according to local and national electrical codes with a permit and be inspected.

The Wire Size for an Electric Dryer Circuit

  • Wire Size for Dryer
    The wire size for a 30amp dryer circuit is #10AWG copper.
  • Electric Dryer Circuit Cable
    The typical cable used for a dryer circuit is 10/3 Type NM cable which has three insulated wires and a bare ground wire, totaling four wires in all.
  • Receptacle Outlet for a Dryer
    The dryer circuit wiring connects to a NEMA 14-30 4-wire 250 volt receptacle outlet.

More about How to Wire a Dryer

How to Wire an Electric Clothes Dryer
clothes-dryer-wiring
Wiring a Dryer
See an electric dryer installation with a typical 220 Volt electric power cord wiring system. You may find yourself with either a 3-wire or 4-wire electric dryer, or a 3-wire or 4-wire outlet. Lets look a how the electric dryer is wired and what to do if your cord does not match the plug.

For more information about 220 Volt Wiring Diagram
220 Volt Wiring Diagram
220 Volt Wiring Diagram
Wiring 220 Volt Electrical Outlet
Home electrical wiring includes 110 volt outlets and 220 volt outlets and receptacles which are common place in every home. See how electrical outlets for the home are wired.

The Following will assist you with your Electric Dryer

220 Volt Wiring Diagram

Home Electrical Wire
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.

Circuit Breakers for 240 Volt Dryer Circuits

Electrical Codes for Dryer Circuit Wiring




Learn How to Wire it Right with my
Complete Guide to Home Electrical Wiring
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Handyman, Handywomen, and Electricians
Includes:
Wiring GFCI Outlets
Wiring Home Electrical Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
Troubleshooting and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
Electrical Codes for Home Electrical Wiring
....and much more.

» Click here to learn more about Home Electrical Wiring «
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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 projects.
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FAQs Frequently Asked Questions and Comments

3 Responses to “Wire Size for a 220 Volt Dryer Circuit”
  1. Jerry Dupree Sr. says:

    What if your wire is not the right size, will it work properly for a 220volt 4 wire dryer?

    • Dave Rongey says:

      Hi Jerry,
      Circuit Wire for a 220volt Dryer
      If the wire for a 220 volt dryer circuit is not large enough, or the wire or cable does not meet the approved circuit specifications then new circuit wiring should be installed which comply with the approved standards for safety and reliability.
      The alternatives of incorrect wiring are not an option that should be left to chance.
      Be safe,
      Dave

  2. peter stott says:

    i need to wire a washing machine to an isolation switch , but the wire inside the box is thicker than the plug wire , is this safe to do ?


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