[ \textVoltage Drop = \fracI \times L \times R1000 ]
$$\textRequired Capacity = \frac25.50.9 \approx 28.3 \text Amps$$ electrical cable size calculation
Temp 35°C: factor 0.96 (XLPE) Grouping 4 circuits: factor 0.80 Required ampacity = 51 / (0.96 × 0.80) = 66.4 A [ \textVoltage Drop = \fracI \times L \times