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Electrical

Load & Cable Ampacity

Converts a kW or kVA load into design current, applies temperature and grouping derating, and reports the minimum cable ampacity required.

I = P / (√3 × V × pf) · derating per NEC 310.15

Inputs

Results

Full load current

76 A

Minimum cable ampacity

130.4 A

Apparent power
52.63 kVA
Design current (×continuous)
95 A
Combined derating
0.728
Suggested protective device
100 A