Calculation | Grounding Cable Size

#ElectricalEngineering #Grounding #FaultCalculation #NEC #IEC #SafetyFirst

Here’s the practical approach used worldwide (based on IEC & NEC standards). The cable must handle the full fault current long enough for the protective device to clear the fault, without its insulation melting. grounding cable size calculation

🔁 Repost to help someone avoid a melted ground wire. grounding cable size calculation

[ S = \frac{\sqrt{I^2 \times t}}{k} ]