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If you consider doing this the first thing is SHUT THE MAIN BREAKER OFF. Use an auxiliary light source to see when working in a dead panel. Always keep in mind an ARC FLASH ACROSS HOT MAINS HAS ENOUGH HEAT TO PEAL THE SKIN OFF OF YOU.
Before an explanation of how to do this you should keep in mind that this is for a single receptacle only. If any other receptacles are on the same circuit they will also be changed to 120 volts.
The existing two pole breaker in the distribution panel that is to be replaced should not have a larger rating than a 15 or 20 amps. The wire size from that breaker will be #14 or #12 respectively. The final results of this project will leave you with a 15 amp 120 volt receptacle and one spare 15 amp breaker in the distribution panel.
That said, OK, any 240 volt outlet can be changed to 120 volt by removing the white wire from the 2 pole breaker and inserting it into the neutral bus bar. Remove the other wire (probably black) from the breaker. Remove the 2 pole breaker from the breaker panel. Install two single pole 15 amp breakers into the hole left by the 2 pole breaker. Leave both of these breakers turned off.
Connect the black wire that came off of the 2 pole breaker on to one of the new single pole 15 amp breakers. Re install the cover to the electrical panel, this end is finished. At the old 240 volt receptacle, remove the existing device and install a new 120 volt receptacle.
Materials can be purchased at local building supply store. Remember to take the electrical panel data with you so you have the information for the 2 new breakers. Once you have the new 120 volt receptacle installed, identify on the electrical panel door what the breaker is used for. Leave the unused breaker in the off position. Turn the new 15 amp breaker on. Turn the main breaker back on. Test the new receptacle with a lamp to make sure every thing is OK.
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You can't, you have to install a separate 120 volt circuit breaker and run a new 120 volt cable of the correct size from the breaker box or fuse box panel.
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By asking this question you probably aren't quite ready to take on this particular task.
That you asked this question here shows that you don't already know your local Wiring Codes or Regulations so don't know how to calculate the correct wire size to use for the length of run from circuit breaker to power outlet.
Really, don't do this one yourself. Electricity is far too dangerous to handle if you don't already know your local Wiring Codes or Regulations or you have not been trained how to do this work.
For your safety and that of anyone else who may to use the 120 Volt appliances, ask a professional licensed electrician to advise you or to do the work for you.
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How to do this job depends entirely on the Wiring Codes or Regulations for the locality (Town/State) and on the exact location of the appliance you wish to hook up: if it is in any place subject to water splashes or spray - such as in any room supplied with running water pipes, like a kitchen, bathroom, shower room, etc., or in a pool-side area - the codes specify that special precautions must be taken.
Depending on where your home is, it may be illegal to attempt to do this kind of work unless you are already a licensed electrician.
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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
What else can I help you with?
How can I convert a 240 volt power source to a 120 volt power source using a 240 volt to 120 volt adapter?
To convert a 240 volt power source to a 120 volt power source using a 240 volt to 120 volt adapter, simply plug the adapter into the 240 volt outlet and then plug your 120 volt device into the adapter. The adapter will step down the voltage from 240 volts to 120 volts, allowing you to safely power your device. Make sure the adapter is rated for the appropriate wattage to avoid damaging your device.
What is the maximum power capacity of a 15 amp 120 volt outlet?
The maximum power capacity of a 15 amp 120 volt outlet is 1800 watts.
How do you convert 120 volt machine to 110 volt plug?
No conversion needed. These are nominal voltages which range from 110 to 120 volts. It will operate fine on the outlet.
Can one leg of a 240 volt circuit be capped and the circuit breaker changed to make an existing 240 volt outlet into a 120 volt outlet?
No, you cannot simply cap one leg of a 240-volt circuit and change the breaker to convert it into a 120-volt outlet. This requires rewiring the circuit to provide 120 volts, including changing the outlet and possibly other components to be compatible with the lower voltage. It's recommended to consult with a licensed electrician to properly convert the outlet.
What are the differences between a 120 volt outlet and a 240 volt outlet in terms of their electrical capabilities and applications?
A 120-volt outlet is typically used for lower power devices like lamps and small appliances, while a 240-volt outlet can handle higher power devices like ovens and dryers. The main difference is the amount of voltage each outlet can provide, with 240 volts being able to deliver more power for larger appliances.
Do you need a 110 v power strip to plug into 110 v outlet?
Nominally 110 to 120 volt power strip is okay to connect to a standard outlet.
Can 12 volt only powered subwoofer for car be plugged into 120 volt wall outlet?
NOCan however be powered by a 120/ to 12 volt DC power supply plugged into wall socket. (Ensure the power supply has sufficient current rating to run the subwoofer)
What color of wires are found on a 120 volt duplex poutlet?
A 120 volt duplex outlet is the main type of outlet for residential outlet system. The wires are typically white and black, and there should only be two of them.
Can you plug a 100 volt power tool into a 110 volt outlet?
Never heard of a power tool that runs on 100 volts AC. It would have to be 108 to 120 volts or 220 to 240 volts. It will work on the 120 volt outlet if is it 60 hertz in the U.S. or 50 Hrtz in some other countries. If it is 50 Hrtz then do not use it in the U.S. without a converter.
How do you convert a 125 volt to a 120 volt receptacle?
You tell yourself the 125 volt receptacle is a 120 volt receptacle. They're the same thing.
What is a 120 volt 6o Hz AX outlet?
A 120 volt 60 Hz AC outlet is a standard electrical outlet found in North America. It provides electricity at a voltage of 120 volts and frequency of 60 Hertz, which is the standard for most household electrical devices.
Can a 120 hair dryer work with a 110 outlet?
Yes - a hair-dryer rated at 120 volts will work in a 110 volt outlet.
