The most accurate way to size an earth conductor is using the adiabatic equation, which ensures the conductor can withstand the thermal stress of a fault current without melting or damaging its insulation.
The commissioning was delayed by two days. The team worked around the clock to rip out the 16 sq mm cables and replace them with proper 35 sq mm copper earth cables. earth cable size calculation
Engineers use two primary techniques to size protective conductors: the (using predefined regulatory tables) and the calculation method (applying the adiabatic equation). 1. The Adiabatic Calculation Method (IEC 60364 / BS 7671) The most accurate way to size an earth