The question raised by others is correct. Those who criticize the mentally retarded are ignorant. The two live wires, he says, are often 220 V. For example, in a small generator you buy, both wires are live wires and the voltage is 220 V. Right now, they are different from the live wires and neutral wires provided by the. power supply office, so they are called current wires. The live wire is 220 V, and some small three-phase generators also have 220 V between the two live wires.
If the two live wires generated by the generator are 220 V, be careful when using them. Some household appliances cannot be powered and may burn the appliances. For example, if the frequency is wrong, some devices will not work.
I used a test pen to see that both lines are lit, one is strong and the other is dimwheat. The strongest is the live wire and the weakest is the neutral line. This will happen during use. an electronic test pen because the accuracy is higher. When measuring the neutral line, the induced electricity will also be measured. It is normal for the neutral line to have induced electricity. The single-phase alternator only produces live and neutral wires. There are no two live wires.