5kW is just enough power for a 5 HP motor at 230v 3-phase (12.5A), and not quite enough power for a 5 HP motor @ 208v 3-phase (13.8A). If #14 wire was allowed f

5kW is just enough power for a 5 HP motor at 230v 3-phase (12.5A), and not quite enough power for a 5 HP motor @ 208v 3-phase (13.8A). If #14 wire was allowed for branch circuits in commercial construction, you could use those as your conductors, that’s how small these things are. NEMA motor ampacity table: https://www.galco.com/circuit/fla_rate.htm https://www.galco.com/circuit/fla_rate.htm