If the customer’s load cannot be powered off, what should be paid attention to disconnecting the maintenance bypass switch after the maintenance is completed?

If the customer’s load cannot be powered off, what should be paid attention to disconnecting the maintenance bypass switch after the maintenance is completed?
A . The circuit module is normal and can supply power
B . The maintenance bypass switch can also be disconnected when the bypass module is abnormal
C . EPO filling can break the maintenance switch
D . The battery input is normal

View Answer

Answer: A