Explain importance and purpose of earthing.

Explain importance and purpose of earthing. 
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Answer :

Importance and purpose of earthing is as below:- 1. To provide an alternative path for the leakage current to flow towards earth. 2. To save human life from danger of electrical shock due to leakage current. 3. To protect high rise buildings structure against lightening stroke lightening arrester is used for this there is necessity of earthing. 4. To provide stable platform for operation of sensitive electronic equipments there is necessity of earthing. 5. For proper working of earth fault protection system, there is necessity of earthing. 6. To keep the potential of equipment body (frame) below the earth potential in the event of fault from safety point of view. 
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Last Answer : Rod earthing is the least expensive. Because the soil does not have to be eroded, the cost is less than other earthing.

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Last Answer : There are two types of earthing , namely _ a) system earthing b) equipment earthing.

What are the essential elements for earthing ?

Description : What are the essential elements for earthing ?

Last Answer : They are _ a) earthen continuity b) earthing lead c) earthy electrode

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Last Answer : Pipe earthing method is best. This is because it is less expensive and when the soil dries out in the dry season , regular earthing can be done by pouring water through the pipes.

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Last Answer : The color of the earthing wire is green.

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Last Answer : Earthing is the process of safely passing electrical current to the earth's surface with the help of a wire from the metal enclosure of electrical equipment and people to protect them from unwanted electricity.

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Last Answer : Earthing is done to allow the current to flow to the ground during an electrical fault so that the protection device can work to disconnect the faulty circuit.

Earthing Lead What ?

Last Answer : Earth Electrodes From That Wire Through Earth Terminal Until Connection To do Yes , him Earthing Lead Says.

Home Earthing Of Resistance How much? To be Need ?

Last Answer : earthing Of Resistance Max 5 Ohm To be Will be

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Description : Earthing-up in potato is done at

Last Answer : Ans.30 – 45 DAS

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Description : Earthing up in sugarcane is done at

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Description : Earthing-up is done in groundnut crop at

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Last Answer : The two types of earthing are Familiar as Equipment earthing and system earthing. In Equipment earthing: body (non conducting part) of the equipment should be earthed to safeguard the human ... earthing will be further classified into directly earthed, Impedance earthing, resistive (NGRs) earthing.

What is different between resistance grounding system and resistance earthing system?

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Description : State the various types of earthing.

Last Answer : Solid earthing, resistance earthing , reactance earthing , voltage transformer earthing and zig-zag transformer earthing.

Why is earthing desirable for electric appliances?

Description : Why is earthing desirable for electric appliances?

Last Answer : Ans: Earthing helps the current move into the earth in the event of short-circuit, without giving a shock to the user.

What is difference between earthing and grounding?

Description : What is difference between earthing and grounding?

Last Answer : Both have same meaning. The term earthing is used in U.K. and grounding in U.S.A.ground means earth.