The smart multi-tap according to the present invention includes a main body having a plurality of sockets, a current sensor unit measuring an amount of current for each of the plurality of sockets, a relay unit supplying or blocking current to the plurality of sockets, and the current sensor unit. Controls the operation of the relay unit to selectively cut off power supplied to each socket when the total amount of current exceeds a preset allowable range by calculating the total amount of current, which is the amount of current for all the plurality of sockets using the measured value. It characterized in that it comprises a control unit.
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