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How can Faraday cage work if cage isn't grounded?

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EDIT A Faraday cage will work without being grounded. To be effective, the holes or gaps in the cage should be significantly smaller than the wavelength of the highest offending frequencies. read more

A faraday cage works because it keeps the energy out of the inside. If there is a electrical voltage that would appear across the contents of the cage or current that would flow through that region, then it would flow through the cage walls. Ground is a very misunderstood concept. read more

Michael Faraday showed through his ice pail experiment that all charge resides on the outside of a hollow conductor. This means that if a person is inside a Faraday Cage then the charge is on the outside, and theoretically if the person touched the inside, would not get electrocuted. (But I wouldn't test it). read more

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How can Faraday cage work if cage isn't grounded ...
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