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How do I pair a three wire source to a four wire outlet for my electric dryer?

I paired the white to white, black to black, green to green and skipped the red since no red wire from source. The dryer and control runs but no heat.

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The difference between the 4 wire plug and the power source wire is that the plug has and additional seperate ground wire. Basically ttwo legs, a neutral and a ground. Your power source wire only has the two legs and the neutral (the white) which used to act as a ground. Notice that the white (neutral) is hooked up to the ground bar along with the grounds in the panel box. The "correct" thing to do is replace the wire from the panel box with the correct size/amperage wire.

Posted on Nov 30, 2014


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Posted on Jan 02, 2017


Jeff Rockwell

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SOURCE: changing a 3 prong dryer cord to a 4 prong dryer cord??

The information you need is provided in the following link:

Read through the information carefully and if you need any further assistance, please let me know. I hope this helps.

Posted on Sep 01, 2008


john gagnon

  • 943 Answers

SOURCE: Maytag dryer MDE4000AYW change 3 prong to a 4 prong

HI thanks for your question. the red to red black to black white to white green goes to the fram of the dryer. thanks hope i was helpful. please rate my answer.

Posted on Oct 12, 2008


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SOURCE: hooking up the four prong cord to the dryer

this is the rule of thumb,white always goes on the middle terminal ,the 2 outside terminal wires it does not matter which side they are on,if you can see the red and black wire on the terminal block then match them up,the green wire gets mounted to the cabinet,you should already have a green wire to the cabinet so remove the screw and put both wires there and your done,let me know how you do-mike

Posted on Oct 15, 2008


Jeff Rockwell

  • 5911 Answers

SOURCE: I need to change the dryer power cord on my Amana

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:

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.

Posted on Jul 17, 2009



  • 704 Answers

SOURCE: Trying to set up electrical outlet for a whirlpool

NEVER, put the green ground wire under the same screw or fastener as the white (neutral) wire! It is not Code and the reason is that if the connection becomes loose or gets burned off, you would have an ungrounded 220V-AC circuit that would use YOU or someone else as the path to clear any ground fault situation.

The correct way is to mount a separate Grounding termination with either the factory green gronding screw (if provided) or by drilling and tapping a hole next to the power terminals, (away from them so as not to make accidential contact) and install a green grounding screw for the cord set's ground wire.

Any other advice is dangerous and can lead to electrocution, injury and death!

Hope you find this Very Helpful and best regards!

Posted on Sep 29, 2009

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Can u help me please we're do the brown grey and white with pink line wires go

Four-Wire: Green

The green wire is the ground wire, and it is the difference between a three-wire and a four-wire cord. (In the three-wire system, the ground wire and the neutral wire are the same.) The green wire connects to the dryer frame. Look at the cord-connection terminals on the back of the dryer. Very close by, you should see a screw sticking out of the metal panel. It will be labeled "external ground connector" or something similar. Connect the green wire to that screw.

Four-Wire: Black

Most appliances in your house run on 120 volts of electricity, some on 240 volts. The dryer needs both--240 volts to run the drum and heating element, and 120 volts to run the timer, thermostat and other components. For this reason, the dryer cord has two live or "hot" wires--one black, one red--rather than a single hot wire. The dryer draws 120 volts from each hot wire to get the 240 volts it needs for the heavy work, then pairs one hot wire with the neutral wire for the 120 volts to run the smaller functions. Look again at the connection terminals on the back of the dryer. There should be three screws in a horizontal row. Connect the black hot wire to the terminal on the left.

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Connect the other hot wire, the red wire, to the terminal on the right. (In truth, you could connect either hot wire to either hot terminal, but it's standard procedure to put the black on the left and the red on the right, so do so.)

Four-Wire: White

The white is the neutral wire, and it connects to the center terminal. There may be a metal strap attached to this terminal. That's a ground strap. When a three-wire cord is attached, it serves the same function as the ground screw mentioned above.

Three-Wire: Gray

If you have a three-wire cord, then all three wires will be gray. They're arranged side-by-side with the hot wires on the outside and the neutral wire in the middle. Attach the hot wires to the left and right terminals and the neutral wire to the center terminal. Make sure the ground strap is attached to the center terminal.

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