Faraday Cage

Published: | Updated: January 27, 2020

Definition - What does Faraday Cage mean?

A Faraday cage, also known as a Faraday shield, is a mesh network of wires intertwined horizontally and vertically around a piece of equipment that possess a significant electrical charge. It provides protection for the people, equipment or material that it surrounds via the blocking of static and non-static external electric fields.

Corrosionpedia explains Faraday Cage

The first Faraday cage was invented in 1836 by Michael Faraday, who is known as a pioneer scientist in the field of electricity, electromagnetism and electrochemistry. It operates based on the rearrangement of charges to cancel the presence of electric fields within the cage boundaries. The presence of electric current is a supporting presence for the formation of corrosion due to the flow of charges along metal surfaces. Therefore the use of a Faraday cage, which prevents the free flow of charges, can aid the prevention of corrosion when applied.

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