PURPOSE: To provide an electric fire prevention equipment capable of verifying the operation of electric apparatuses using electric power higher than a predetermined level in a room without entering the room where occupants are not present.

CONSTITUTION: Current detection means 13 detect a current flowing to a feeder line A to a room; an output of level detection means 18 is reversed when the level of a detected voltage of current detection means 13 exceeds the first regulated value; and the output is reset to the initial condition when the level drops below the second regulated value. An output circuit 28 is operated in response to the output of the level detection means 18, and a signal is output for shutdown control of feeding to the room to be protected or indicated with alarm.