The power cord of the electric kettle has a three-hole socket at one end, and there are only two holes at the end connected to the electric kettle. There are three wires, one red wire and two black wires. How do I connect the three wires to the two holes? The end connected to the electric kettle is round, and its internal structure is the same as that of a commonly used electric plug board. Only two wires can be connected, but there are three power wires. Which two wires should be connected together?
1. Only need to connect two wires, but the wires must be connected correctly. If it's not properly connected, you'll hear an explosion, or the water won't boil at all.
2. There is a black wire, a red wire, and a blue wire or a yellow and green wire.
3. The red wire must be connected. If there are two black wires and blue wires, connect the black wires. The black wire and the yellow-green wire are also connected to the black wire.
4. In any case, do not twist the two wires together.
Common sense of electrical appliances
1. Household appliances are generally single-phase power supply, that is, 220 volts;
2. The so-called single-phase power supply is composed of phase line L (commonly known as live line), neutral line N and ground line, and there are also single-phase power supply composed of two-phase line and neutral line;
3. Some household appliances require grounding wires, such as washing machines;
4. The so-called ground wire is to prevent leakage accidents. Connect a wire to the electrical appliance and lead it into the ground. Now, leakage protectors are often used.
