Cable I²R Heat Loss: 3/0 AWG, 200 A, 300 ft

A cutaway of a medium-voltage cable showing where losses occur. A 3/0 AWG copper conductor at 200 A and 300 ft has 0.02298 Ω per phase, 919.2 W per phase and 2.76 kW for three phases, or 11,030 kWh over 4,000 operating hours.