でんげん 電源 Common word JLPT N1 Wanikani level 34 Play audio Show 2 collocations 電源を入れる - to turn on power電源を切る - to turn off power LinksSentence search for 電源Sentence search for でんげんKanji details for 電 and 源Edit in JMdict Noun1. source of electricity; electrical powerNoun2. power (button on TV, etc.)かいろ回路をしら調べるまえ前に、でんげん電源のスイッチをきスイッチを切りなさい。You must switch off the power before checking the circuit. Discussions Log in to talk about this word.