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Which outcome occurs when exceeding the Short Circuit Current Rating (SCCR) of an industrial control panel system?

A)Arc flash with potential enclosure rupture
B)Motor insulation breakdown due to voltage spikes
C)PLC logic errors from electromagnetic interference
D)Communication network instability from ground loops

💡 Explanation

Exceeding a panel's SCCR causes excessive fault current to flow, quickly generating intense heat and magnetic forces because of electrical resistance exceeding equipment withstand capability limits. Therefore arc flash and rupture results, rather than motor insulation damage, logic errors, or network instability, which arise from different malfunction mechanisms.

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