A power supply control apparatus that includes a switching unit that turns ON or OFF a switch provided at a point along a wire, and controls power supply via the wire by switching with the switching unit, the power supply control apparatus comprising: an input unit configured to receive a switching signal that instructs turning ON or OFF of the switch, a current output unit configured to output a current whose current value increases as a current value of a current flowing through the wire increases; a resistance circuit through which the current that the current output unit outputs flows; and a notification unit configured to, if an end-to-end voltage value across the resistance circuit becomes higher than or equal to a predetermined voltage value, apply to the resistance circuit a voltage whose value is higher than the predetermined voltage value, wherein the resistance circuit includes: a first resistor; and a series circuit of a second resistor and a capacitor that is connected in parallel to the first resistor, wherein the switching unit is configured to turn OFF the switch if the end-to-end voltage value becomes higher than or equal to the predetermined voltage value; the switching unit is configured to turn the switch ON or OFF in accordance with an instruction of a switching signal that is input to the input unit, the switching unit is configured to turn OFF the switch regardless of the instruction of the switching signal if the end-to-end voltage value becomes higher than or equal to the predetermined voltage value, and the notification unit is configured to stop applying the voltage to the resistance circuit if the instruction of the switching signal is changed from turning ON to turning OFF. an input unit configured to receive a switching signal that instructs turning ON or OFF of the switch, a current output unit configured to output a current whose current value increases as a current value of a current flowing through the wire increases; a resistance circuit through which the current that the current output unit outputs flows; and a notification unit configured to, if an end-to-end voltage value across the resistance circuit becomes higher than or equal to a predetermined voltage value, apply to the resistance circuit a voltage whose value is higher than the predetermined voltage value, wherein the resistance circuit includes: a first resistor; and a series circuit of a second resistor and a capacitor that is connected in parallel to the first resistor, wherein the switching unit is configured to turn OFF the switch if the end-to-end voltage value becomes higher than or equal to the predetermined voltage value; the switching unit is configured to turn the switch ON or OFF in accordance with an instruction of a switching signal that is input to the input unit, the switching unit is configured to turn OFF the switch regardless of the instruction of the switching signal if the end-to-end voltage value becomes higher than or equal to the predetermined voltage value, and the notification unit is configured to stop applying the voltage to the resistance circuit if the instruction of the switching signal is changed from turning ON to turning OFF. a first resistor; and a series circuit of a second resistor and a capacitor that is connected in parallel to the first resistor, wherein the switching unit is configured to turn OFF the switch if the end-to-end voltage value becomes higher than or equal to the predetermined voltage value; the switching unit is configured to turn the switch ON or OFF in accordance with an instruction of a switching signal that is input to the input unit, the switching unit is configured to turn OFF the switch regardless of the instruction of the switching signal if the end-to-end voltage value becomes higher than or equal to the predetermined voltage value, and the notification unit is configured to stop applying the voltage to the resistance circuit if the instruction of the switching signal is changed from turning ON to turning OFF.