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Answer Posted / tamilarasu
We are used all electrical equipments with earthing.incase
the equipment go to fault condition that time current flow
to the low resistance part. we concider the equipment body
is low resistance part so current flow to the equipment
body that time we tuch the body.the human is the concider
of neutral body is phase then phase& neutral to be short
then fuse go to burn out then human is safty from the shock
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