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5
Fix the Device to the Rack
3 Wiring
3.1 Connect Grounding Cable
Grounding is used to quickly release overvoltage and overcurrent
induced by lightening on the device, and to protect personal safety.
Select an appropriate grounding method according to the
installation conditions.
Note
The following figures are for your reference only.
3.1.1 With Grounding Bar
If a grounding bar is available at the installation site, follow the
steps below.
Steps
1. Connect one end of the grounding cable to the binding post on
the grounding bar.
2. Connect the other end of the grounding cable to the grounding
terminal of the device and tighten the screw.
Grounding with Grounding Bar
3.1.2 Without Grounding Bar
If there is no grounding bar but the earth is nearby and the
grounding body is allowed to be buried, follow the steps below.
Steps
1. Bury an angle steel or steel pipe (≥ 0.5 m) into the earth.
2. Weld one end of the grounding cable to the angle steel or steel
pipe and embalm the welding point via electroplating or coating.
3. Connect the other end of the grounding cable to the grounding
terminal.
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