Answer Posted / prosenjit majumder

Though your question is not clear to me completely but I am
trying to clarify it .when earth pin of plug is connected
to electrical earth point you won't get shock because your
body & earth pin comes into parallel line and your body
resistance is much more than instrument body as well as
earth point . Short circuited current will flow through the
earth point because it is a low resistive path compare to
your body .But if the plug earth is not connected to
electrical earth point then it is open ckt . In this
condition if you touch the plug earth point and it is
already short circuited then almost full current will pass
through your body . You will definately get shock .

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