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This answer will be treated cautiously because your question shows a lack of knowledge of residential electrical systems.
By "two prong", you are probably referring to a duplex electrical outlet, the standard "two-plug" arrangement found in North American homes, which is actually a 6-prong outlet - a live, neutral and ground "prong" on each of the two outlets.
In any case, yes you can change one half of the outlet to "switched' without changing the other half. There is a connecting copper buss on each side of the duplex that connects the top half with the bottom half. This is designed in such a way that the buss can be clipped with electrical wire cutters (after ensuring that you have turned off the breaker or pulled the fuse to that circuit) to separate the two halves. You need only clip the "live" side, and can leave the neutral side connected. This will essentially allow you to feed each half with a separate supply, one of which can be live all the time, while the other half is switched.
To wire up the switch, you will probably need a bit more knowledge.
What else can I help you with?
How can I change a 2 prong outlet to a 3 prong outlet?
To change a 2 prong outlet to a 3 prong outlet, you will need to replace the old outlet with a new one that has a ground wire connection. This involves turning off the power, removing the old outlet, connecting the ground wire to the new outlet, and then installing the new outlet securely. It's important to follow safety precautions and consult a professional if needed.
How to change a 2 prong outlet to a 3 prong outlet?
To change a 2 prong outlet to a 3 prong outlet, you will need to replace the old outlet with a new one that has a ground wire. This involves turning off the power, removing the old outlet, connecting the new outlet's ground wire to the electrical box, and then installing the new outlet. It is important to follow safety precautions and consult a professional if needed.
How can I change a 2 prong outlet to a 3 prong outlet in my home?
To change a 2 prong outlet to a 3 prong outlet in your home, you will need to replace the old outlet with a new one that includes a ground wire. This typically involves running a new wire from the outlet to the electrical panel to provide the necessary grounding. It is important to follow safety guidelines and consult a licensed electrician to ensure the job is done correctly and safely.
How can I ground a 2-prong outlet?
To ground a 2-prong outlet, you can install a grounding adapter or hire an electrician to upgrade the outlet to a 3-prong one with proper grounding.
How can I ground a two-prong outlet?
To ground a two-prong outlet, you can install a grounding adapter or hire an electrician to upgrade the outlet to a three-prong one with proper grounding.
How can I change a 3 prong dryer to a 4 prong dryer?
To change a 3-prong dryer to a 4-prong dryer, you will need to replace the power cord and outlet. This involves disconnecting the old cord, connecting the new cord following the manufacturer's instructions, and replacing the outlet with a 4-prong one. It is recommended to hire a professional electrician for this task to ensure safety and compliance with electrical codes.
How to convert a 2 prong outlet to a 3 prong outlet?
To convert a 2 prong outlet to a 3 prong outlet, you will need to replace the outlet with a new one that has a ground wire. This involves turning off the power, removing the old outlet, connecting the ground wire to the new outlet, and installing it properly. It is important to follow safety precautions and consult a professional if needed.
How do you connect a grounded lamp to a ungrounded outlet?
You can use a 3-prong to 2-prong adapter and connect the lamp's ground wire to the screw on the metal cover plate of the ungrounded outlet. This provides some level of protection by grounding the lamp. However, it's recommended to consult with a professional electrician for a safer solution.
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 know which outlet is controlled by a switch?
Plug a lamp into a working socket of an outlet to ensure the lamp works. Then turn off the switch and plug lamp into all outlet sockets, top and bottom outlets until the lamp doesn't light. Then turn on the switch and the lamp should light. Often a switch in a bedroom is only connected to one socket in a duplex outlet. It is possible to remove a jumper in an outlet to isolate the sockets for just this purpose. Often an electrician will install the outlet upside down (The third prong pointing up, to identify the outlet.
How do you switch a 3 prong cord to a 4 prong cord on a dryer?
A qualified electrician should make the change to a dryer connection. The best way to cheaply make the change is to change the power cord on the dryer to the three hole standard.
Does it matter how you plug in - are the two prong different?
For most standard two-prong plugs, there is no difference in which prong goes into which outlet. The prongs are typically the same size and shape, so it does not matter which way you plug it in. However, if the plug is polarized (one prong is wider than the other), make sure to plug it in the correct way according to the outlet.
