US lawWashingtonRegulationsTitle 504 — WASHINGTON STATE UNIVERSITYChapter 504-49 — RENEWABLE ENERGY SYSTEM INCENTIVE PROGRAM504-49-130WAC 504-49-130WAC 504-49-130. Direct currentLast amended: 2018Year: 2026Length: 9 wordsOfficial source "Direct current" means the unidirectional flow of electric charge.PreviousWAC 504-49-125NextWAC 504-49-135