A power distribution apparatus for supplying power from a direct-current power supply to a load via a first connector and a second connector includes a sensor unit configured to detect connected and disconnected states between the first connector and the second connector, a switch unit configured to make and break a connection between the first connector and the direct-current power supply, a receiver unit configured to receive a signal indicating whether to supply or cut off power to the load, and a control unit configured to control the switch unit to make or break the connection in response to the signal received by the receiver unit and the connected and disconnected states between the first connector and the second connector detected by the sensor unit.