PURPOSE: A power strips capable of sole problems of inconvenience is provided to automatically cut off power supply according to the predetermined elapsed time of electricity use, thereby preventing unnecessary electricity consumption.;CONSTITUTION: A first timer (20) and a second timer are connected to a first cord accommodation unit (10) and a first cord accommodation unit (40) respectively. A power cord of each electric device is inserted into the first cord accommodation unit and the first cord accommodation unit respectively. A first control unit (30) controls the electricity not to flow in the power cord that is inserted into the first cord accommodation unit in case the elapsed time of electricity use which is set up in first cord accommodation unit passes. A second control unit controls the electricity not to flow in the power cord that is inserted into the second cord accommodation unit in case the elapsed time of electricity use which is set up in second cord accommodation unit passes.;COPYRIGHT KIPO 2013
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