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Wiring an Electric Clothes Dryer in an Older Home


See an electric dryer installation with a typical 220 Volt electric power cord wiring system

Circuit Wiring for a 240 Volt Electric Dryer


Question: I have an old home with old electrical wiring. The power outlet for Dryer is 3 wire.  I got a used Maytag Neptune dryer with a 4 wire cord. What do you think is better: to replace the wire cord of the dryer for a three wire cord or to replace the outlet for a 4-wire outlet? Is it possible to replace the old 3 wire outlet for a 4 wire outlet since it is an old wire home (1983)

This electrical question came from: Luis, from Wellington, Florida

Dave’s Reply:
Thanks for your electrical question Luis

Electrical Wiring for a Dryer

If the electrical wiring is old as mentioned, then I highly recommend installing a new 4-wire dryer circuit which will be much safer than the old existing 3-wire circuit.

Wiring a Dryer for 3-Wire and 4-Wire Cords
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3-Wire and 4-Wire Configurations for Clothes Dryers

Electrical Wire for the Home

Guide to Home Electrical Wire
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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.

Electrical Outlets



Learn How to Wire it Right with my
Complete Guide to Home Electrical Wiring
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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
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
Electrical Codes for Home Electrical Wiring
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