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You don't, you need a three wire to correctly make the connection.

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Q: How do you connect a four prong outlet to a 12-2 plus ground wire where both black and white wires are hot?
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How do you put on a four prong outlet on a roper electric dryer?

Black & Red are hot, and White is neutral. If it has no place to connect neutral connect neutral to ground.


How do you connect a grounded lamp to a ungrounded outlet?

Change the outlet to a grounded one. Get an adapter that goes from 3 prong to 2. Break the ground prong off. Any one of these will work.


Which wire in a 240V cable with black white and bare copper wires connects to which prong in a 3-prong 30-amp 120-240V dryer outlet?

Do not use this type of cable to feed a 120/240V dryer outlet. The outlet is ungrounded, and the third conductor is neutral not ground. Your ground wire must be sheathed by code. You cannot use the bare neutral conductor as ground. Diagram Did Not Come Through. You Have a 3 Prong Connector. The Prong On The Bottom By Its Self Connect The Bare Wire. That Is What Was # 3 Connect The Others To The Two Prongs Next To Each Other. Hope This Makes Some Sense (1) (2) (3) Connect White To (1), Connect Black To (2) Bare (3) Good Luck


Can you replace a 2 prong outlet with a 3 prong outlet if there is no ground line or is the ground required?

YES - it will work fine, and hopefully you have grounding in the plug. If you do not, you should also get surge protection and a safety cap when not using. The 3 prong will not create a ground, so it will not change the fact that it is dangerous not to have ground (you know kids and outlets).


Can you plug a 3 prong extension into a 110 volt outlet?

Yes, provided the outlet has a three element receptacle. The third prong is ground. If you use an adapter that connects three prongs to a two slot outlet there is a shock danger.

Related questions

How do you put on a four prong outlet on a roper electric dryer?

Black & Red are hot, and White is neutral. If it has no place to connect neutral connect neutral to ground.


How do you connect a grounded lamp to a ungrounded outlet?

Change the outlet to a grounded one. Get an adapter that goes from 3 prong to 2. Break the ground prong off. Any one of these will work.


Is it necessary to connect the ground wire to a 4-prong 240V outlet - I am switching a 3-outlet to a 4-prong outlet for my new dryer but the ground wire is cut off so I can't connect it?

Only if you wanted to fry your hair.for God sake(and yours)buy a new cord to hook up your dryer


Which wire in a 240V cable with black white and bare copper wires connects to which prong in a 3-prong 30-amp 120-240V dryer outlet?

Do not use this type of cable to feed a 120/240V dryer outlet. The outlet is ungrounded, and the third conductor is neutral not ground. Your ground wire must be sheathed by code. You cannot use the bare neutral conductor as ground. Diagram Did Not Come Through. You Have a 3 Prong Connector. The Prong On The Bottom By Its Self Connect The Bare Wire. That Is What Was # 3 Connect The Others To The Two Prongs Next To Each Other. Hope This Makes Some Sense (1) (2) (3) Connect White To (1), Connect Black To (2) Bare (3) Good Luck


Can one convert a two prong outlet to a three prong outlet?

Yes, provided that you have a ground wire in the box and that the ground wire is properly connected in the electric panel.


How do you connect two three prong outlet to four prong transfer switch?

There is not enough information stated as to what you are trying to do.


How do you test for groung on a two prong outlet?

Buy a tester. They are very cheap and will tell you at a glance if the outlets are wired correctly. The only other way is to remove the outlet and look see. But if it is a 2 prong outlet with no ground hole then it does not have a ground.


Can you replace a 2 prong outlet with a 3 prong outlet if there is no ground line or is the ground required?

YES - it will work fine, and hopefully you have grounding in the plug. If you do not, you should also get surge protection and a safety cap when not using. The 3 prong will not create a ground, so it will not change the fact that it is dangerous not to have ground (you know kids and outlets).


Can you plug a 3 prong extension into a 110 volt outlet?

Yes, provided the outlet has a three element receptacle. The third prong is ground. If you use an adapter that connects three prongs to a two slot outlet there is a shock danger.


What is the difference between a 4 prong dryer outlet and a 4 prong stove outlet?

The four blade dryer plug brings a separate ground wire from the machine to the electrical grounding system. The three blade dryer plug depended on the neutral wire of the plug to make this connection.


How do you convert a 4 prong 240V outlet to a 3 prong 240V outlet?

Disregard the neutral


Where do you ground the extra wire when plugging a 4 prong wire into a three prong outlet for a dryer at?

It may be a 220 Dryer, and you will need a new outlet installed. There should be no extra wires when connecting the Power cord to the plug