3-phase electricity without neutral wire will be very dangerous, it damages electrical equipment due to voltage surge too high compared to the working voltage of the device. This is the phenomenon where the light bulbs light up and then burn, the motors run at very high speeds and then fail, and electronic devices can also go. Many people still think that due to the wrong connection of 2 phases of fire, they can actually lose the neutral wire. Measure with an electric pen, you will see that both wires are red to easily confused.
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Is 3-phase electricity without neutral wire dangerous?
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