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Figure2-9 Grounding the device by using a grounding point the rack
Grounding the device by using a grounding conductor buried in the earth
The WX1800H series access controllers use the same procedure for grounding by using a grounding
conductor buried in the earth. The following uses the WX1840H access controller as an example.
If earth is available at the installation site, hammer a 0.5 m (1.64 ft) or longer angle iron or steel tube
into the earth to serve as a grounding conductor. Weld the yellow-green grounding cable to the angel
iron or steel tube and treat the joint for corrosion protection.
Figure2-10 Grounding the device by burying a grounding conductor into the earth
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