14
Gigabit L2 Managed Switch
Lightning Protection
Figure 3-2 Connecting to the Grounding Bar
Switch (Rear Panel)
Ground Cable
Grounding Terminal
Grounding Bar
Note:
The grounding bar and the ground cable are not provided with our product.
If needed, please self purchase them.
Equipotential Bonding
Equipotential Bonding is the practice of intentionally electrically connecting all
earthed systems to the same grounding grid or connecting the grounding grids of
all the earthed systems together through the ground or overground metal so as
to create an earthed equipotential zone. When lightning occurs, the high voltage
produced by lightning current in all systems will meanwhile exist in their ground
cables, and thus all ground cables have the same electrical potential and basically
eliminate the electric strikes between the systems.
The figure below illustrates how to practice equipotential bonding in a network.
Figure 3-3 Equipotential Bonding
Grounding Terminal Equipotential Bonding Cable
Grounding Bar Ground Cable
When equipotential bonding, please note that the cable should be copper wrapped
Kelly with its area being 6mm
2
at least. The shorter cable the better, and use a
grounding bar to establish an equipotential bonding point.
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