NEC QX-S5500G Series - Grounding the Switch by Using the AC Power Cord

Installation Guide
QX-S5500G Series Ethernet Switches
3. Installing the switch
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Figure 3-13 Grounding the switch by burying the grounding conductor into the earth ground
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(1) Grounding screw
(2) Chassis rear panel
(3) Grounding cable
(4) Earth
(5) Joint
(6) Grounding conductor
3.4.4 Grounding the switch by using the AC power cord
If the installation site has no grounding strips or earth ground, you ground an AC-powered
switch through the PE wire of the power cord. Make sure:
 The power cord has a PE terminal.
 The ground contact in the power outlet is securely connected to the ground in the
power distribution room or on the AC transformer side.
 The power cord is securely connected to the power outlet.
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NOTE:
If the ground contact in the power outlet is not connected to the ground, report the problem and reconstruct the
grounding system.