A sheath current is an electric current that flows along the outer conductor (shield or sheath) of a cable. In coaxial cable and high-voltage cables, sheath currents can arise from differences in ground potential, electromagnetic coupling, or electrical faults.
A sheath current is an electric current that flows along the outer conductor (shield or sheath) of a cable. In coaxial cable and high-voltage cables, sheath currents can arise from differences in ground potential, electromagnetic coupling, or electrical faults.
Source: Wikipedia "Sheath current" · CC BY-SA 4.0
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