What is min and max voltage between earth and neutral/phase
if it perfect earthing?
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Answer Posted / chandrakant rewatkar
min voltage is Zero ( if no joints)
max voltage is 3 volt ( if there is the joints)
if these value get in case of 3phase supply with P and N
if supply voltage is 415 without variation in voltage.
if value is more than 3 volts,
then load is unbalanced
Earthing not perfect
neutral not proper from incoming supply
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