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Voltage has nothing to do with making a plug operate. If you are asking about a power plug on an appliance or device of some type, it is connected to a wire which typically is then connected to the device. You get power by inserting the plug into a receptacle. The connections inside the receptacle contact the prongs of the plug and typically provide 120 volts across the two bladed prongs of the plug and the rounded prong is ground.

There are all types of applications that have different types of plugs and connectors, so the answering community is just guessing what you are trying to find out. Try and be more precise in your questions and you will get better answers.

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Q: What voltage is required for a 3 pin plug to operate?
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Related questions

At what voltage does a three pin plug operate?

Need more info. There are three pin plugs at a wide variety of voltages.


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Need to know voltage and type of plug to answer this question.


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The three pin plug is grounded (provided the receptacle is wired correctly).


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Can a 30 Amp 125 V plug be replaced with a 250 V plug?

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