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MIL-HDBK-419A
The effectiveness of floating ground systems depends on their true isolation from other nearby conductors, i.e.,
to be effective, floating ground systems must really float. In large facilities, it is often difficult to achieve a
completely floating system, and even if complete isolation is achieved it is difficult to maintain such a system
(5-9).
Figure 5-8. AC Resistance versus Frequency for Copper Tubing (5-7)
5-16
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