Figure B: When someone is found to get an electric shock, it is necessary to cut off the power supply first, or unplug the wire with an insulator such as a dry wooden stick before rescuing, otherwise the rescuer may have an electric shock accident;
So, the answer is: don't switch with wet hands, don't hang clothes on the wires;
When someone gets an electric shock, cut off the power supply first, or unplug the wire with an insulator such as a dry wooden stick.