During the home inspection process, Xiao Bian found that many of the outlets in the owner's home lacked the zero line and ground. What is the difference between zero line and ground line? What will happen if it is missing it? Xiaobian here to help you make a summary:
The difference between ground and neutral:
The ground wire is a protection wire, and the other end is connected to the earth outside the metal of the appliance. If electricity is leaked from the appliance, the current will flow directly from the ground to the earth, which is safe for people. The neutral line is the working line. In a single-phase device, the current flows from the live line through the switch to the electrical appliance, and then flows from the electrical appliance through the neutral line to the generator. Because of the FireWire, with electrical appliances, the zero line is a series circuit, so the live and neutral currents are the same, but the zero line is also connected to the earth, so there is no voltage on the neutral line.
Lack of ground and neutral lines, easy to use electricity accidents
According to our home inspector's introduction, appliances that are normally used have a neutral wire and a live wire, which constitute a pathway that allows electrical current to flow through the appliance to function. In the case of a closed switch, the neutral wire is uncharged. The ground wire is not charged whether the switch is off or not. The reason why the ground wire is needed is because when the appliance fails, the power supply may break down some electrical components, thereby causing the housing of the appliance to be charged, and the ground wire can perform the leakage protection device. Actions, which cut off the power, the shell of the electricity into the ground, to prevent people from touching the electrical enclosure electric shock. Good ground connection can make all kinds of electrical equipment work safer and avoid electricity accidents. The landlord should require the developer to conduct a thorough inspection of the power socket in accordance with the specifications and reconnect the ground wire to the socket panel to eliminate potential safety hazards.
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