Nullung
TN protective scheme
TN system
connection to the neutral
earth connection
earthing
multiple earthing
multiple protective earthing
neutral connection
neutralisation
neutralising
neutralizing
null balance
nulling
protection multiple earthing
protective muliple earthing
protective multiple earthing
reset clearance
reset to zero
zero setting
zero-voltage system
zeroing
zeroisation
zeroising
zeroizing
Dostopnost
Dostopnost