A power cord, comprising a plug, and a load connecting part connectable to a load, the plug comprising: plural male connectors projecting from the front of the plug, to be respectively inserted into plural apertures of an electrical outlet for connection; and plural thermal sensors provided so that each of the plural male connectors corresponds to at least one thermal sensor, each thermal sensor being configured to detect a temperature of a corresponding male connector, wherein the load includes a control circuit that is configured to control an amount of current that enters the load through the plural male connectors and the load connecting part, and wherein the power cord further comprises a communication circuit that is configured to notify the control circuit, when a temperature detected by any one of the plural thermal sensors is higher than a predetermined temperature, characterized in that the plug further comprises a sensor holder that is made of insulating material and configured to hold the plural thermal sensors, at least part of the sensor holder being provided to be disposed between each thermal sensor and the corresponding male connector, and wherein the sensor holder includes: a body portion disposed below the male connectors; a wall portion that projects upward from the body portion and is sandwiched between the plural male connectors; and two sensor housing recesses that are open from an upper part of the wall portion to a rear part thereof, the plural thermal sensors being fitted into the two sensor housing recesses to be held by the sensor holder. plural male connectors projecting from the front of the plug, to be respectively inserted into plural apertures of an electrical outlet for connection; and plural thermal sensors provided so that each of the plural male connectors corresponds to at least one thermal sensor, each thermal sensor being configured to detect a temperature of a corresponding male connector, wherein the load includes a control circuit that is configured to control an amount of current that enters the load through the plural male connectors and the load connecting part, and wherein the power cord further comprises a communication circuit that is configured to notify the control circuit, when a temperature detected by any one of the plural thermal sensors is higher than a predetermined temperature, characterized in that the plug further comprises a sensor holder that is made of insulating material and configured to hold the plural thermal sensors, at least part of the sensor holder being provided to be disposed between each thermal sensor and the corresponding male connector, and wherein the sensor holder includes: a body portion disposed below the male connectors; a wall portion that projects upward from the body portion and is sandwiched between the plural male connectors; and two sensor housing recesses that are open from an upper part of the wall portion to a rear part thereof, a body portion disposed below the male connectors; a wall portion that projects upward from the body portion and is sandwiched between the plural male connectors; and two sensor housing recesses that are open from an upper part of the wall portion to a rear part thereof, the plural thermal sensors being fitted into the two sensor housing recesses to be held by the sensor holder.