http://theairlinepilots.com/forumarchive/quickref/fireprotection.pdf Web10 Apr 2024 · Grounding consists of a low impedance connection to the earth. The ground is a poor conductor but good enough for this purpose. Grounding has a key role in the correct operation of the electrical systems, either power or electronics, as well as protecting people. System grounding helps detect and clear ground faults.
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