1. Super User
  2. Magnetic Effect of Electric Current
  3. Friday, July 01 2016, 08:51 PM

 What is the advantage of earth wire used for home appliances?

Ravi Ranjan Accepted Answer
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The earth wire has insulation of green color, is usually connected to a metal plate deep in the earth near the house.This is used as a safety measure, especially for those appliances that have a metallic body, for example, electric press, toaster, table fan, refrigerator, etc.

 

The metallic body is connected to the earth wire, which provides a low-resistance conducting path for the current. Thus, it ensures that any leakage of current to the metallic body of the appliance keeps its potential to that of the earth, and the user may not get a severe electric shock.

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