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I am trying to change the dryer cord from 3 wire and 3 prong wire to 4 wire/prong wire. I have put the white wire in the middle and black and red on the sides. But the dryer already has a green wire fixed on the outside and is coming from inside the dryer somewhere. Now I want to know that what do I do with the green wire that my new cord has? Thanks

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  • jason_angie Dec 05, 2008

    I have this same problem please does anyone have an answer?

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If this is for US Standard wring, plese click on the following link for a full explanation of how to convert from a 3-prong to 4-prong power cord:

http://www.fixya.com/support/r793520-3_prong_4_prong_power_cord_conversion

If you have any questions after reading through the link, please let me know. I hope this answers your question(s).

Posted on Jul 26, 2008

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I need to change my 3 prong to a 4 prong


Unplug the dryer then remove the terminal block cover and disconnect the 3-prong cord from the dryer. Note that the cord has red , black, and white wires but sometimes the red and black wires are both replaced by same color wire, usually gray and can switch places. There's also a ground strap wire also connected to the center terminal together with the white (neutral) wire.

Get yourself a 4-prong cord and note that it has red, black, white, and green/yellow wires but sometimes, like the 3-pronged one, the red and black wires are both replaced by same color wire, usually gray and can also switch places. All you have to do now is connect the 3 wires in the same manner they are connected as 3-prong cord to the terminal block. The ground strap wire now just need to be connected to the remaining 4th wire, the green/yellow wire instead of the center terminal together with the white (neutral) wire. Reinstall the terminal block cover and it's done.

It can be observed that converting a 3-prong cord to 4-prong cord is merely splitting the neutral line and the ground thereby increasing the number of prongs from 3 to 4 whereas, on the other hand, converting a 4-prong cord to 3-prong cord is merely joining the neutral line (white) and the ground (green/yellow) thereby reducing the number of prongs from 4 to 3.. The links below might enlighten you further on this matter.

Four-prong to Three-prong Electric Dryer Conversion
Three-prong to Four-prong Electric Dryer Conversion

Aug 21, 2011 | Kenmore Dryers

1 Answer

I have a four prong clothes dryer plug that needs to go in a three prong outlet - 220v. Any ideas?


It's either you convert the 3-prong outlet to 4-prong or the 4-prong cord to 3-prong. But the latter is easier and more feasible. Unplug the dryer then disconnect the 4-prong cord from the dryer. Note that it has red, black, white, and green/yellow wires but sometimes the red and black wires are both replaced by same color wire, usually gray. The red and black wires are lines L1 and L2 reversibly, meaning they can switch places, while the white and green/yellow wires are the neutral line and ground, respectively.

Get yourself a 3-prong cord and note that it has red , black, and white wires but sometimes, like the 4-pronged one, the red and black wires are both replaced by same color wire, usually gray and can also switch places. All you have to do now is connect these 3 wires in the same manner they are connected as 4-prong cord to the terminal block. The wire strapped to the dryer cabinet and connected to the green/yellow wire of the 4-prong cord wire is now left hanging. The last step is to connect this hanging strap wire to the same terminal on the terminal block (center) where the white wire (neutral) is connected and it's done.

It can be observed that converting a 4-prong cord to 3-prong cord is merely joining the neutral line (white) and the ground (green/yellow) thereby reducing the number of prongs from 4 to 3. On the other hand, converting a 3-prong cord to 4-prong cord is merely splitting the neutral line and the ground thereby increasing the number of prongs from 3 to 4. The link below might enlighten you further on this matter.

Electric Dryer Prong Conversion

Aug 20, 2011 | Maytag Dryers

1 Answer

Trying to replace a three prong electrical cord with a four prong one.


Dryer wiring (3 wires to 4) If ya move or get a new dryer and need a 4 wire setup instead of a 3 this might be of interest: Look at the terminal block. Most dryers have a red wire on one side, a black wire on the other side, and a white wire in the middle. I put my red to red white to white and black to black as pictured in the above link. The green ground wire gets bolted to the frame.


Dec 26, 2009 | Maytag MED5770TQ Electric Commercial Dryer

2 Answers

I need to change the dryer power cord on my Amana NDE6800AYW dryer. The current cord is a 4 prong with four wires that are black, red, green, and white. I need a 3 prong plug and I got a cord a Home...


The two wires on either side of the power cord are your HOT leads. They are the voltage carrying conductors. These two wires will connect to the terminal block on the RED and BLACK wires. The middle wire is NEUTRAL and goes to the WHITE wire at the terminal block. Now...with a 3-wire configuration you will need to connect a grounding strap to the neutral wire and ground it to the grounding lug of the appliance. The following link explains:

http://www.fixya.com/support/r793520-3_prong_4_prong_power_cord_conversion

The main difference between 3 and 4 wire configuration is how the neutral and ground wires are installed. In a four wire configuration these two are independent of each other. In a 3 wire configuration ground and neutral are connected together.

If you have any questions about this repair, please ask me. I hope this helps you.

Jul 17, 2009 | Amana NDE6800AYW Electric Dryer

1 Answer

4 prong to a 3


The forth is just a cabinet ground hold the cord flat the one in the middle goes on the white ( the middle terminal in the back the other two do not matter they are both live wires the middle one is the only one that is different

Mar 30, 2009 | Roper REX4634KQ Electric Dryer

1 Answer

Swapping dryers


just remember a 3 prong cord the middle wire goes to the middle on the terminal block,the other 2 does not matter there both 120 volt,same if you have a 4 prong,the white wire goes on the middle on the terminal block,the red and black go on each side and the extra green gets mounted to the cabinet,,let me know how you do-mike

Mar 23, 2009 | Kenmore Dryers

1 Answer

Changing from 3 prong to 4 prong cord


The white wire goes in the middle between the 2 hot wires. 0c0b03b.jpg

Mar 19, 2009 | Dryers

1 Answer

Dryer 4 tp 3 pring cord install


Hello wgirdler,
While it is preferred to upgrade the receptacle to a 4-prong type (which includes Neutral & Ground) Code requirements grandfather in 3-prong receptacles in older homes. So if your preference is to remove and replace the power cord on your dryer, make sure you get one that is designed for a dryer application and is 10/3 type. ( 10 Gauge wire with 3 conductors)...
Unplug the original 4 prong plug from the receptacle and pull the dryer away from the wall to gain access to the back of it.
Next, loosen the cord clamp that allows the cord to pass thru the back panel and into the druer compartment.
Open the access cover to where the end of that cord is terminated on a terminal block of the dryer.
Note which color is attached to which terminal ( red to red,black to black, white to white and green to green)...
3 Prong cables do not use a ground wire ( green) in the cord so you would wire the red to red, black to black and white to white ( The red and black are the power conductors and the white ..which is normally terminated between them.. is in the middle. You can get a seperate insulated conductor wire and route it from the ground stud of the dryer to the receptacle metal casing but do this with power disabled at the circuit breaker box...
Hope this helps.
Regards,
Rick

Nov 29, 2008 | Whirlpool LER5636P Electric Dryer

1 Answer

3 prong dryer to 4 prong


green is ground, white is netural. red and black are L1 and L2
or in other words on the dryer there is a 3 screw holder red and black go on the outer ones white goes in the middle and green goes to the cabinet of the dryer

Oct 31, 2008 | Frigidaire FEQ332E Electric Dryer

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