Remote controlled power switch

A remote controlled power switch, comprising:

• a line interface, electrically connected in series to a power line, capable of being controlled to cut off or provide transmission of a first electric power transmitted through the power line;
• a radiation-based receiver, for receiving a first radiation-based signal and converting the first radiation-based signal into a first operative code;
• a processor, electrically connected to the line interface and the radiation-based receiver, the processor therein storing a look-up table recording plural second operative codes and plural commands, the plural commands comprising a cutting-off command, a connecting command, and a toggling command, each of the commands corresponding to one of the second operative codes, the processor receiving the first operative code from the radiation-based receiver and judging if the first operative code matches one of the second operative codes, and if the judging result is YES, the processor controlling the line interface according to the command corresponding to the second operative code that matches the first operative code;
• and
• a power supply, for supplying a second electric power to the remote controlled power switch.