2-11
Figure2-14 Grounding the device with a grounding strip
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Ground the device with the rack
—Connect the other end of the grounding cable to the
grounding point on the rack and make sure the rack has been reliably grounded.
Figure2-15 Grounding the device with the rack
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Grounding the device with a grounding conductor buried in the earth
—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.