return cable_size * 1e6 # Convert to mm²
This is a simple electrical cable calculator that calculates the required cable size based on the load current, voltage drop, and cable length. electrical cable calculator
24A continuous EV charger Voltage: 240V single-phase Distance: 200 ft (one way) Conductor: Copper, THHN 90°C Derating: 2 conductors in conduit, ambient 30°C (no derate) Allowable drop: 3% return cable_size * 1e6 # Convert to mm²