![sree_23](https://www.crazyengineers.com/img/avatar.jpg)
Member • Aug 1, 2013
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Not always earth connection is usedsree_23Also,some devices don't have earth connections as the above link explains.for an example telecommunicationdevices in car/aircrafts have antennas and metal skin of the car acts as ground plane for protection..but for mobile phones how does the common reference point in the ground plane protect them?
Member • Aug 4, 2013
You should look at the connection diagram. Ground wire is connected to the metallic body of the appliance. Hence, only in case of malfunction will current flow in that wire. Phase and neutral wires provide normal current flowing path.sree_23thank you sir..,still I'm totally confused with these..I mean at the normal condition, won't the current flow through the ground instead of its original path(neutral path)? and won't it get exhausted by the ground conductor,without completing the main circuit???
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