Abstract-The performance of metal conduits for protection of cables is investigated. An open U-shaped conduit is chosen as a basic configuration. A number of wires inside represents the actual cables with their shields. This configuration is subjected to a planewave excitation to determine the induced currents and voltages, which represent the common-mode signals in the cable shield. The simulated and tested object is 1.5 m long, with a cross section of 9 × 9 cm 2 . Results are presented for frequencies up to…
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