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You don't. The plug (cap) has a different configuration between the two voltages. This is to prevent plugging a device of one voltage into a supply of a different voltage.
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∙ 2011-10-15 00:41:13
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How do you plug a 120V appliance into an outlet wired for a 240V?
you get an adapter
What happens if you plug a 120V appliance into a 240V outlet?
You will burn up your appliance!!!!!
Can 240V washer run on 120V outlet?
No.
Can you convert an existing 120V plug on an appliance to a 240V plug not speaking of a converter but actually changing the plug so there are no long term effects on the appliance?
If I understand your question, Can you run a 110 appliance off of a 220 volt outlet? You could by only using one leg of the 220. You may also consider changing the outlet. Put in a regular 110 outlet and capping off one leg of the 220 in the wall box. You still have a neutral and a ground to work with. I read this as the questioner doesn't want to modify the outlet. Check the voltage ratings on the device. Many electronic devices nowadays can havdle 120V or 240V as it is cheaper to manufacture one powersupply and sell it everywhere. If your device is rated for 240V, you can put a 240V plug on it. If it only says 120V, no dice. 240V will burn it up.
Can you use UK appliances in the us?
Not unless the appliance is rated to be used with the two different power supplies. The US uses 120v, 60 Hz if it plugs into a receptacle, and possibly 240v, 60Hz if it is hard wired. The UK uses 240v, 50Hz whether it plugs in or is hard wired. These two power systems are NOT compatible. You may use a US appliance in the UK, and vice versa, only if the appliance is dual rated, i.e. the appliance says 120v/60Hz AND 240v/50Hz on the nameplate. If the appliance only specifies one power supply, it can only be used on that power supply. If this is the case, you may be able to use a travel adapter to operate the appliance.
If you put a 60W 120V bulb in a 120V lamp that has a transformer for 240V and plug it into a 240V outlet will it work or blow the circuitry?
Off hand no but your explanations are not clear as to who is doing what to whom,,
How do you change 120v appliances into 240v appliances?
You don't unless it shows a dual rating on the appliance.
Can you plug a 120v 20 amp wielder into a 240v 40 amp outlet?
Absoluteyl not.
How can you convert a 240v clothes dryer to 120v can you use to different outlettes?
You cannot use 2-120v outlets to power a 240v dryer. You can convert a 240v dryer outlet to power 2-120v outlets if they are supplied with a neutral. This requires a competent electrician. Do not do this yourself.
I have 240V 3 wire twistlock plug and want to wire it so I have 120V outlet?
Don't!
Can a 240V baseboard heater work on a 120V outlet?
Yes, but you will only get one quarter of the wattage from the heater.
If you have a 240V 22A welder which has a plug similar but smaller than a dryer plug can you use this in a 120V outlet?
NO!
