When closing the earthing switch on the bus-bas and transmission line, the operation is allowed only after verifying that no electricity is on the opposite side.
合母线侧及线路侧接地刀时，往往需要验明对侧无电后方允许操作。
When closing the earthing switch on the bus-bas and transmission line, the operation is allowed only after verifying that no electricity is on the opposite side.
合母线侧及线路侧接地刀时，往往需要验明对侧无电后方允许操作。
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