Whether the single-phase prepaid electricity meter can be overdrawn or not is set by the power supply management department:
When the remaining electricity cost of the single-phase prepaid electric energy meter is less than the alarm amount, if it is a trip alarm mode, the single-phase prepaid electric energy meter will automatically power off, insert a non-electric card or an electric card, the single-phase prepaid electric energy meter will automatically connect Power is supplied through the circuit; if it is a non-trip alarm mode, the single-phase prepaid energy meter will not automatically power off, but will only flicker.
When the remaining electricity cost of the single-phase prepaid electric energy meter is less than 0, the single-phase prepaid electric energy meter will automatically cut off the circuit and power off. At this time, when the non-electric card is inserted again, the power cannot be supplied. Until the electric card is inserted, the single-phase prepaid electric energy meter will automatically turn on the circuit and supply power normally.
When the remaining electricity charge in the single-phase prepaid electric energy meter is less than 0, if it is a trip alarm mode, the single-phase prepaid electric energy meter will automatically power off. Insert a non-electric card or an electric card, and the single-phase prepaid electric energy meter will automatically connect Power supply through the circuit; if it is a non-trip alarm mode, the single-phase prepaid electric energy meter will not automatically power off, but will only flicker.
When the remaining electricity bill in the single-phase prepaid energy meter is greater than the overdraft, the single-phase prepaid energy meter will automatically cut off the circuit and power off. At this time, when the non-electric card is inserted again, the power cannot be supplied. Until the electric card is inserted, the single phase energy meter will automatically turn on the circuit and supply power normally.
