Calculating Earthing requirements

C

Thread Starter

charz

Dear All,

I have a question regarding earthing calculation.

1.How to calculate number of electrodes required?

2.how to determine the dia of the earth electrodes used?

3.Are the above calculations are done on trial and error basis? i.e putting different sizes of electrodes until you get the lower resistance.

4.when to ignore the step and touch potential, GPR calculations?

I have read all the calculations available on the web, but all gives information on calculating the area of the mat conductor required only.
 
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