Given: A three-phase, 480-volt, 100 ampere noncontinuous load is located 390 feet from a panelboard. What MINIMUM size THWN aluminum feeder conductors are required to limit the voltage drop to 3 percent? (K = 21.2) A. 2 AWG B. 1 AWG C. 1/0 AWG D. 2/0 AWG Given: A three-phase, 480-volt, 100 ampere noncontinuous load is located 390 feet from a panelboard. What MINIMUM size THWN aluminum feeder conductors are required to limit the voltage drop to 3 percent? (K = 21.2) A. 2 AWG B. 1 AWG C. 1/0 AWG D. 2/0 AWG