2020-1-14 · 5 kW / 208 V = 24 A, as he said. (By the way, the extra 1000 in your equations is incorrect. 5 kW 1000 is 5 MW, not 5000 W. Also, the correct units is kW (killo-Watts), not KW (Kelvin-Watts)). You are right in that the instantaneous peak current is higher, but for sine waves it is higher by the square root of 2 from the RMS, not the square