During Testing of Maintenance Free Earthing, How deep should be the Spikes of

During Testing of Maintenance Free Earthing, How deep should
be the Spikes of Earth Test Meter should be inserted in the
soil(one spike is 15 Meter & Other spike is 30 Mtrs away
from the Main Earth Electrode. Because, recently, we
observed that when spike is inserted 3-4 Inch in the earth-
results are better, If spike is inserted 1 feet deep than
results are increasing.

Question Posted / sunil batham

0 Answers
1441 Views
I also Faced
E-Mail Answers

No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Electrical Engineering Interview Questions

Approach of a cooling tower is the difference between temperatures of what factors?

0 Answers Blue Star,

what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

3 Answers Orchid,

Which type of transformer is used for lighting loads?

0 Answers

please explain how to do 'pole drop test' on generator?

0 Answers

How can we checked Killo Watts of Motor & Alternator?

0 Answers

why only 11kv level is used for transmission purpose? why not 230v?

7 Answers

Why DC weldings sets preffered over AC considering human safety aspects ?

2 Answers

What are the advantages of hydropower?

0 Answers

how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

0 Answers

What is a dc motor?

0 Answers

how to find the 2500 KVA transformer rated primary and secondary volt and current?

4 Answers

What is the latest generation of circuit breakers called?

3 Answers Epitome, Focus Energy, Jakson, KDC, L&T,

For more Electrical Engineering Interview Questions Click Here