The earthing electrodes should be placed within what distance in meters from the building whose installation system is being earthed.

The earthing electrodes should be placed within what distance in meters from the building whose installation system is being earthed.

Right Answer is:

1.5

SOLUTION

An earthing electrode should not be situated (installed) close to the building whose installation system is being earthed at least more than 1.5m away. This is to ensure that the conductivity and Electric field created due to one electrode do not interact with the other electrode. Also, the fault current from one electrode does not jump into the second electrode.

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