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Question:

Provide the most commonly used wiring method for socket plugs

Provide the most commonly used wiring method for socket plugs

Answer:

In the low-voltage power grid with three-phase four-wire transmission power, which has three lines (FireWire) a neutral line (zero line). In order to ensure the safety of electricity
Called the zero line is the reason for the three-phase balance of the neutral line without the current through, and then it is directly or indirectly connected to the earth, with the earth voltage is close to zero.
three-phase power of the three head called the phase line, three-phase power of the three ends together called the neutral line also called " Zero line "
In order to make the AC power has a very convenient power conversion function, usually the power transmission is three-phase four-wire way

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