Earth Panel Wire Green/Yellow
A metallic body of high power rating electrical equipment is earthed by ground wire, that protects us from electric shocks. It also avoids live wire overloading or permits any leakage of electric charge via the body of metallic appliances that may easily be transmitted to the ground.
Is earth wire necessary?
The earthing of metallic appliances is necessary to prevent severe electric shock to the users. The metallic body of electric appliances is connected to earth wire (Earth Panel Wire Green/Yellow) so that any leakage of electric current is transferred to the ground.
Read More About Earth Wire And Grounding
In electrical engineering, ground or earth is a reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the Earth.
Electrical circuits may be connected to ground for several reasons. Exposed conductive parts of electrical equipment are connected to ground, to protect users from electrical shock hazard. If internal insulation fails, dangerous voltages may appear on the exposed conductive parts. Connecting exposed parts to ground will allow circuit breakers (or RCDs) to interrupt power supply in the event of a fault. In electric power distribution systems, a protective earth (PE) conductor is an essential part of the safety provided by the earthing system.
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