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how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.

Answers were Sorted based on User's Feedback



how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / sarav

We used Earth Megger for measuring the earth value.The
value of the earthing is vary depends upon the place.
In residential towers we should maintain the earth value is
below 2 ohm.

Is This Answer Correct ?    19 Yes 3 No

how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / k. naresh reddy

We used Earth Megger for measuring the earth value.The
value of the earthing is vary depends upon the place. we
should maintain the earth value is
below 1ohm.(0.1 ohm is good earth resistance value)

Is This Answer Correct ?    16 Yes 5 No

how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / rahul patil

EARTH RESISTANCE FOR GOOD EARTHING IS LESS THAN 5 OHM & GRID
RESISTANCE IS LESS THAN 1 OHM

Is This Answer Correct ?    12 Yes 1 No

how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / kobina k. mensah

The earth resistance is checked using a earth resistance
tester and how good an earth depends on the type and number
spicks, voltage, soil and other facts.

Is This Answer Correct ?    14 Yes 6 No

how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / mizan

below 1 ohm

Is This Answer Correct ?    13 Yes 7 No

how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / dipeandra deepak

normly earth res.value for an industrial area is 1 to 5
res.for rock sail area and residential area, this value is
8 and 1-3 res respectively.further ithink this depends upon
ur mant. capability. this can be maintened by checking
earthing pit time to time. it also depends the size of
earthing patti and the load capicity set against it.

Is This Answer Correct ?    3 Yes 1 No

how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / kallesh

By using Earth Megger to check the earth resistance and
Minimum earth resistances for good earthing is 0 ohm to 5 ohm.

Is This Answer Correct ?    3 Yes 1 No

how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / anil

Now a days all telecommunication installations insist for value <0.5 ohms.
However domestic installation is ok upto 2 ohms.
The easiest way to measure the value of domestic earth is using a multimeter measure voltage across n-e it must be less than 5 ohms.

Is This Answer Correct ?    2 Yes 0 No

how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / ashwin trikha

please give me the earth system

Is This Answer Correct ?    2 Yes 1 No

how to check the earth resistance value& what is the minimum earth resistance for good earthin..

Answer / bhushan

value depends upon the soil resistivity but in reality it
should be zero to get better result. As per recommendation
by NFPA and IEEE it should be less then 5 ohms.

Is This Answer Correct ?    1 Yes 0 No

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