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Fault current shall be part of tech specs of power cable or not?.
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Answer Posted / viren89desai@yahoo.co.in
During a short circuit, a high amount of current can flow through a cable for a short time. This surge in current flow causes a temperature rise within the cable. High temperatures can trigger unwanted reactions in the cable insulation, sheath materials and other components, which can prematurely degrade the condition of the cable. As the cross-sectional area of the cable increases, it can dissipate higher fault currents for a given temperature rise. Therefore, cables should be sized to withstand the largest short circuit that it is expected to see.
http://www.openelectrical.org/wiki/index.php?title=Cable_Sizing_Calculation
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