Tip & How-To about Dryers

Dryer Cord and Wiring Dryer 3 Wire or 4 Wire

If you have an electric dryer and need to change the style of cord that you have on the dryer on if you just need to install a cord on a new dryer, you may have questions about where the wires need to go. This tip will help you to figure these questions out.

Remember to ALWAYS make sure that all power is disconnected BEFORE beginning your work!!

On the back of your dryer will be a cover plate that will have the wiring connection lugs behind it. A screw or two will need to be removed to expose the connection point. Always remember to reinstall the cover after you have finished your connections.

If you have a 3 wire cord the plug will look like this.



You will have a red wire, a white wire, and a black wire, on the other end from the plug.
The black and red wires will go on the two ends to the matching colors. The white wire will go in the center. If you have a bonding strap make sure that you jumper that from the center lug to the frame of the dryer. If you do not have a bonding strap, then make sure to make one out of #10 ga. wire and a couple of crimp rings. Green wire is preferable.

The connection will look something like this.



If you have a 4 wire cord the plug will look like this



Here again, you will have the red, white, and black wires. This cord will also have a green wire. This wire gets connected directly to the frame of the dryer. With this cord, you do not need the bonding strap or wire. If you are converting from a 3 wire to a 4 wire then remove the old bonding strap if there is one there.

This connection will look something like this.



When converting from a 3 wire to a 4 wire you just REMOVE the bonding strap or wire and hook the green wire to the frame. If you are converting from a 4 wire to a 3 wire then you ADD the bonding strap or wire. It gets hooked from the center lug to the frame.

Always make sure that the outlet that you are plugging into is wire correctly also. The black and red are each 110 volt legs that have a voltage of 220 volts across them. The black and the red wires need to be wired to a double pole 30 amp. circuit breaker. The wiring needs to be a minimum of 10 ga. wire. The white or neutral wire goes to the neutral bar in the power panel and the green wire goes to the ground bar in the power panel.

By following this tip you should be able to hookup a new dryer or convert your existing dryer cord. Recheck all your connections before turning the power back on to the dryer.



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1 Answer

My dryer's power cord has 4 prongs, my wall socket has 3 holes, can I change the power cord, or is there an adapter to change from 4 to 3 pronges.


Un screw the 2 hex screws from the back of the dryer where the cord goes in.

There will be 3 screws that connect the cord to the dryer, loosen or remove them to remove the 4 prong cord.

A hardware store will carry the 3 prong cord you need, tell them it is for a dryer.

Re-connect the 3 prong cord to the dryer.

Plug in and test after you have installed the new cord.

Jan 02, 2011 | Asko T701 Electric Dryer

2 Answers

thesawdustmaker@msn.com


WHAT IS WRONG WITH YOUR DRYER?

small_8_20.jpg For a detailed Dryer illustration, click below.

redarrow.gif Gas Whirlpool Style Version 1
redarrow.gif Gas Whirlpool Style Version 2
redarrow.gif Gas Maytag Style
redarrow.gif Gas GE Style
redarrow.gif Electric Whirlpool Style Version 1
redarrow.gif Electric Whirlpool Style Version 2
redarrow.gif Electric Maytag Style
redarrow.gif Electric GE Style
Warning! To avoid personal injury or even death, always disconnect your appliance from its power source--that is, unplug it or break the connection at the circuit breaker or fuse box--before you do any troubleshooting or repair work on your appliance. Also, because some components may have sharp edges, use caution while working on your appliance.

Electric dryers aren't very complicated. Here are some common symptoms that you may experience with your dryer:

There's an error code on the digital display

It doesn't work at all
There's no heat
It won't tumble
Drying is too slow
It overheats
It seems to run forever
It's noisy
It won't start
The light doesn't work
It blows fuses or trips the circuit breaker
My clothes smell bad!
My clothes are marked or torn

Aug 05, 2008 | Whirlpool LER5636P Electric Dryer

1 Answer

the plugin on my dryer has the terminals going in a slant. the outlet in my house are straight. what should i do


You can purchase a dryer main power cord that fits the type outlet you have. Some cords are three wire and some are four wire. Here is some information on changing from a three wire to a four wire configuration or vice versa.These two pictures illustrate the power wiring on a the terminal of an electric dryer. The one on top/left is the old-style three-wire configuration. Most people have this type in their homes. New code changes, though, require that dryers now have a four-wire cord, shown on the right/bottom.
Besides the number of wires in each cord, there are two important things to notice. First, in the four-wire configuration, notice that the dryer's grounding strap is folded back on itself. The whole point of the four-wire cord is to separate the ground from the neutral. The green wire (the "new" extra wire in the four-wire cord) is attached to the dryer cabinet. In the three-wire configuration, the grounding strap is left intact and the neutral and ground are tied together.


Sure hope this helped and best wishes.


949d841.jpg67160d9.jpg

Oct 15, 2009 | Maytag Neptune MDE5500AY Electric Dryer

1 Answer

changing dryer plug


These two pictures illustrate the power wiring on a the terminal of an electric dryer. The one on top is the old-style three-wire configuration. Most people have this type in their homes. New code changes, though, require that dryers now have a four-wire cord, shown on the bottom.
Besides the number of wires in each cord, there are two important things to notice. First, in the four-wire configuration, notice that the dryer's grounding strap is folded back on itself. The whole point of the four-wire cord is to separate the ground from the neutral. The green wire (the "new" extra wire in the four-wire cord) is attached to the dryer cabinet. In the three-wire configuration, the grounding strap is left intact and the neutral and ground are tied together.


Sure hope this helps you find a resolution to your delimma! Best wishes.


949d841.jpg67160d9.jpg

Oct 07, 2009 | Amana NDE2335AY Electric Dryer

1 Answer

plug problem


On a three wire configuration, the ground and the negative are tied together at the center position, using the dryer ground strap. Following is a description of the difference between three and four wire. Hope it helps you.
These two pictures illustrate the power wiring on a the terminal of an electric dryer. The one on top is the old-style three-wire configuration. Most people have this type in their homes. New code changes, though, require that dryers now have a four-wire cord, shown on the bottom.
Besides the number of wires in each cord, there are two important things to notice. First, in the four-wire configuration, notice that the dryer's grounding strap is folded back on itself. The whole point of the four-wire cord is to separate the ground from the neutral. The green wire (the "new" extra wire in the four-wire cord) is attached to the dryer cabinet. In the three-wire configuration, the grounding strap is left intact and the neutral and ground are tied together.


Sure hope this helps you find a resolution to your delimma! Best wishes.


949d841.jpg67160d9.jpg

Oct 01, 2009 | Whirlpool LER4634J Electric Dryer

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