Standard sizes of earthing, types of earthing electrodes

[@emergencyandcriticalcare2044]

Dear sir I have 5kva residential load I have done copper2*2 feet plate with 25mm*4mm Defth of 9feet but unable to check resistance.kindly let me know the correct procedure of check?

[@brajkishoresingh3523]

Very good sir

[@MsPranav13]

Sir what is the minimum distance between two copper plate earth electrodes?? Some people say it to be 3meters and some say 6meters.... Kindly please guide sir

[@maazgaming7946]

10ft or 3mtrs