Why do computers and network equipment need to be grounded?

Reasons for grounding: It can prevent people from electric shock, damage to equipment and lines, prevent fires and lightning strikes, prevent electrostatic damage and ensure the normal operation of the power system. When the internal insulation of electrical equipment is aged or damaged, electricity may be transmitted to the metal casing. If the casing is grounded, current will flow into the earth through the ground wire, and people who touch the live metal casing will not get an electric shock.

The main function of grounding is to prevent people from electric shock, damage to equipment and lines, prevent fires and lightning strikes, prevent electrostatic damage and ensure the normal operation of the power system.

Under normal circumstances, the metal shell of electrical equipment is insulated from the live parts, and the shell will not be charged. However, if the internal insulator of the electrical appliance is aged or damaged, electricity may be transmitted to the metal shell.

If the shell is not grounded, people will get electric shock if they touch it. If the metal shell is grounded, current will flow into the earth through the ground wire, and people will not get electric shock if they touch the live metal shell.

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