what is the funda of earthing? Explain breifly about
earthing?

Answer Posted / t.c.raghavendran prabhu (lnt)

There are three major Factors that influences good earthing:

1) Earthing is mainly done to arrest the flow of jumping
electrons from the body to the ground because the ground
potential is zero.

2) Mainly body earthing of the equipment has to be done to
avoid the damage and losses of machine & humans.

3) Good earthing resistance is 1-2 ohms.ELCB ie,Earth
Leakage Circuit Breaker has to be placed in the Panel
boards for the safety purposes.

Is This Answer Correct ?    6 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

1476


how to select energy meter? have any calculation?

2400


dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.

983


how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64

1054


Diagram on interconnectivity of 11kv transformer with RMU (i.e, one incoming and two outgoing or two incoming and one outgoing)

2226






List of equipments required foe industrial repair lab.

1526


How to calculate the heat load for a electrical room

2622


what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

2801


what the Microsoft .NET framework is?

1504


what is the use of piston rings in the engine used for a generator...........

1710


How servo stabilizer works.

1651


How much dc volt applied in cathodic protection system?

1858


what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?

1826


howmany electrician should maintain for a 1000 kva used plant... in kerala..

1642


Where servomechanism is used?

652