November, 1996: The voltage of the overhead wiring of the Ishiyama-Sakamoto Line was increased from 600V to 1500V at midnight, when no trains ran during the time between the last train and the first train, and the test operation of model 800 electric cars commenced (it continued until July of the following year).
1996年（平成8年）11月-終電～始発間の深夜に石山坂本線の架線電圧を600Vから1500Vに昇圧し、800系電車の試運転開始（翌1997年7月まで）。