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What is a ground screw for on the back of my dryer

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  • Dryers Master
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The ground screw on the back of your dryer should be hooked up to a ground in your house.
Normally you would get a pipe type strap and connect it to the water pipe in you washer/dryer room or any ground that is available.
When you hook up the ground to the dryer, then you will eleminate the possibility of being shocked by the dryer.
This is a Free answer...Please rate me

Posted on Apr 11, 2011

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My Gibson dryer has a three prong plug on it.I


The National Electrical Code began requiring 4-prong receptacles for 220-volt residential circuits in 2000, but it doesn't prohibit you from using your older dryer with a 3-prong cord. Instead, it allows you to change the cord so that the dryer can be plugged into a modern receptacle, and the procedure isn't very complicated. Four-prong dryer cords, or pigtails, are available at hardware and electrical supply stores, and usually cost less than $20. To make the switch, you'll need a green ground screw to attach to the dryer body so the machine can be grounded by the ground wire.

1 Unplug the dryer and move it to an accessible spot. Unscrew the plate on the back that covers the electrical terminal with a screwdriver. You'll find the cover on the back of the dryer near the bottom of the machine at the point where the cord exits.
2 Loosen the three terminal screws holding the cord. Before you remove them and take off the cord, note the colors of the screws and the wires attached to them. The screws holding the black and red wires are brass and the one holding the white wire is silver.
3 Remove the ground strap from the silver terminal. It may be a small metal plate or a length of wire connecting the terminal to the body of the dryer. You may be able to pull it out with pliers, or you may have to loosen a screw to remove it. Its function was to ground the dryer, and that function will now be served by the ground wire on the new pigtail.
4 Insert the brass terminal screws into the ring lugs attached to the red and black wires on a replacement pigtail and the silver screw into the ring lug on the white wire. Drive the screws into the same slots from which you removed them and tighten them securely with a screwdriver.
5 Drill a 1/4-inch hole in the body of the dryer within reach of the fourth wire in the pigtail, which is green. Insert a green ground screw through the ring lug on the end of that wire, drive the screw into the hole and tighten it securely.
6 Feed the cord through the notch on the terminal cover plate and screw the cover plate to the back of the dryer.

Things You Will Need
  • Screwdriver
  • Pliers
  • Drill
  • 1/4-inch drill bit
  • Ground screw
  • 4-prong pigtail

Tip
  • There usually isn't room behind the cover plate to install the ground screw. If not, it's acceptable to attach the screw to the back of the dryer outside the plate.
  • Check the grounding with a multimeter before you plug in the dryer. Set the meter to ohms, touch one lead to the dryer body and touch the other lead to the ground prong on the plug. The meter should show less than 10 ohms of resistance.
References

Sep 12, 2014 | Dryers

1 Answer

I have a Gibson dryer..It has a three prong plug


The National Electrical Code began requiring 4-prong receptacles for 220-volt residential circuits in 2000, but it doesn't prohibit you from using your older dryer with a 3-prong cord. Instead, it allows you to change the cord so that the dryer can be plugged into a modern receptacle, and the procedure isn't very complicated. Four-prong dryer cords, or pigtails, are available at hardware and electrical supply stores, and usually cost less than $20. To make the switch, you'll need a green ground screw to attach to the dryer body so the machine can be grounded by the ground wire.

1 Unplug the dryer and move it to an accessible spot. Unscrew the plate on the back that covers the electrical terminal with a screwdriver. You'll find the cover on the back of the dryer near the bottom of the machine at the point where the cord exits.
2 Loosen the three terminal screws holding the cord. Before you remove them and take off the cord, note the colors of the screws and the wires attached to them. The screws holding the black and red wires are brass and the one holding the white wire is silver.
3
Remove the ground strap from the silver terminal. It may be a small metal plate or a length of wire connecting the terminal to the body of the dryer. You may be able to pull it out with pliers, or you may have to loosen a screw to remove it. Its function was to ground the dryer, and that function will now be served by the ground wire on the new pigtail.
4 Insert the brass terminal screws into the ring lugs attached to the red and black wires on a replacement pigtail and the silver screw into the ring lug on the white wire. Drive the screws into the same slots from which you removed them and tighten them securely with a screwdriver.
5 Drill a 1/4-inch hole in the body of the dryer within reach of the fourth wire in the pigtail, which is green. Insert a green ground screw through the ring lug on the end of that wire, drive the screw into the hole and tighten it securely.
6 Feed the cord through the notch on the terminal cover plate and screw the cover plate to the back of the dryer.

Things You Will Need
  • Screwdriver
  • Pliers
  • Drill
  • 1/4-inch drill bit
  • Ground screw
  • 4-prong pigtail

Tip
  • There usually isn't room behind the cover plate to install the ground screw. If not, it's acceptable to attach the screw to the back of the dryer outside the plate.
  • Check the grounding with a multimeter before you plug in the dryer. Set the meter to ohms, touch one lead to the dryer body and touch the other lead to the ground prong on the plug. The meter should show less than 10 ohms of resistance.

Sep 12, 2014 | Dryers

2 Answers

I have a 3 prung male plug, and a 4 prung female plug. Can I switch the 3 male plug to a 4 male plug?


Hi, and yes you can, its done all of the time. You want to change the plug on the wall, not the cord. That is the way it is done. Very simple. Turn off breaker to the 4- prong. Go to any hardware store such as home depot and get the 3 prong 220 volt female plug, both are the same volts, just made for different cords is all. The male is on the cord. On the 4 prong female plug thats on the wall, just loosen all 4 screws. 2- wires are hot, either black in color, a black with a piece of white tape on it is the neutral, and a bare ground which is much smaller. When installing the 3 prong female, you will use all 4 wire to. 2- hot, ! neutral, and a screw for the small bare ground. There will be a drawing on how to connect the wires with the new plug if you are not sure. Normally, there are 3 black wires, 2 hot , 1 neutral. Some times there may be 2 blacks and 1 red. A black and red will be hot.I am sure they will all be black. The plug is marked on it. It will have L-1, L-2, N, and Ground. When you remove the 4 prong female, it will be marked the same. Be sure the power is off! L-1 and L-2 are hot, and the 3rd is N or neutral. Then the small ground. Very, very, simple to change and to know which is which. The terminals on the plug are colored also. The 2 that are copper colored are for the hot wires. The brass or silver is the neutral. And you will see the ground screw. I hope I haven't confused you, it is very easy. Just when removing the wires to the old plug on the wall, which should be a 4-prong female, the 2 wires on the right and left side of the plug are going to be the 2 hot wires. The other large black is the neutral goes to top or bottom, its marked like I said with a N. and a small bare ground. Always change the plug on the wall to fit the dryer from 3 to 4, or 4 to 3. They are both 30 amp plugs, 220 volt. Very easy, you can do this!! Please rate me on my help to you.
Sincerely,
Shastalaker7

Jan 04, 2011 | Whirlpool LEB6300 Electric Dryer

1 Answer

Hook up a 4 prong plug in the back of a 3 prong series 90 dryer. What wire go to which screw?


white in the middle,red on one side black on the other just like the three prong and the green just has to be grounded to the back of the dryer,remove a screw close to the block as long as the wire reaches and connect the ground wire or green wire to the screw and screw it back in

Mar 20, 2010 | Kenmore Dryers

1 Answer

I don't know what the three posts in my old dryer is, as far as whats going to match the 4wire cord i got


look in the back of the dryer,around half way up in the middle you'll see the block where the cord connects too,you''l see three screws or posts there,the white wire which is the neutral goes in the middle,the red connects to one of the outside post or screw and the black goes to the other side doesn't matter what side,now you have the green wire left,that's the ground wire,just ground it anywhere in the back as long as it touches the frame,that's the only difference is the ground from the three prong cord,you can remove any screw in the back stick the ground on the screw and screw it back into the frame and you're done,good luck

Mar 11, 2010 | Hotpoint NVL333EY Electric Dryer

2 Answers

Wiring problem


At the point of entry in the back of the dryer.. locate the nearest cover screw (normally a sheetmetal screw or equivalent) and place the ground wire onto this screw.. The intent is to make sure the dryer chassis is electrically bonded to a ground point so that in the event of a short circuit to the frame.. you ( by virtue of touching the frame) do not become the path to ground and get shocked... You should be able to find a frame/housing terminal to bond the ground wire too.. under the protective cover or.. if you are using a metal cable clamp to secure the wire at the point of entry, you could bond it there.. Hope that helps you.. ( please do all this wiring with the plug disconnected from the receptacle).... Good luck,.

Aug 28, 2008 | Maytag Atlantis MDE7400AY Electric Dryer

1 Answer

Running 10/3 wire and wiring clothes dryer directly. The dryer does not have a ground connect for the bare copper ground. Can it be connected to the white neutral at the dryer?


NO!! use the green screw on back where cabinet ground goes red to red white to white black to black remove cabinet ground wire and connect it up to white neutral on dryer connect bare ground to cabinet ground screw ..but wouldn't it be better to connect wall plug to house wiring and correct cord to dryer? always hate working on hard wired equipment since a lot of breakers are never labeled or relabeled correctly

Jul 15, 2008 | Dryers

1 Answer

Electrical wiring for a dryer


If you have a four prong recepical then the receptical has 2 hot wires, 1 neutral and 1 ground black and red are hot wite is nuteral and green is ground.

The connection on the back of the dryer will be white on the center screw, green to the frame of the dryer, and black and red to the outside screws of the terminal block, and it does not matter which color black or red goes to the left screw, or to the right screw, you choose

Apr 09, 2008 | Maytag Neptune MDE5500AY Electric Dryer

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