Question

Why a third hole in a socket provided for grounding?

Answer 1

Answer:

All electric appliances may end with some charge due to faulty connections. In such a situation charge will be accumulated on the appliance. When the user touches the appliances he may get as shock. By providing the third hole for grounding al accumulated charge is discharged to the ground and the appliance is safe.

Explanation:

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Answer 2

Third hole in a socket provided for grounding:

• To connect the wires down to the ground.
• This is done to prevent the hazardous consequences of shorting, or some technical failure.
• If a huge amount of voltage is coming our way it guides it straight to the ground hence preventing, electric shock or fires.
• It prevents harm is the case of lightening, guiding all the current to the ground.
• You can't get an electric shock by switch after touching it if it is grounded.