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【なぜ?】スイッチを切っても照明で電圧が残る理由!?【知識編】
![[Is it the same as earth?] Explaining why the neutral wire is connected to earth! [Knowledge Edit...](https://i.ytimg.com/vi/jI9M9pHcB7M/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLC28Rp5-DK6KfILM_MJtItQs4EazQ)
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[Is it the same as earth?] Explaining why the neutral wire is connected to earth! [Knowledge Edit...

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【初心者向け】結局何なの?アース(接地)の種類について解説!【知識編】
![[Is it safe?] Why doesn't the neutral wire carry power, so you don't get electrocuted? [Knowledge]](https://i.ytimg.com/vi/7L8TUKC4RGE/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLCwRTfYGvQqQtXtPaYIDR8BFn3O9A)
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[Is it safe?] Why doesn't the neutral wire carry power, so you don't get electrocuted? [Knowledge]

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【高圧の入門編】高圧受電設備を理解するにはここから|電気工事士
![[Not GND] How is electricity sent from the power plant to the outlet? [Slow explanation] [Trivia]](https://i.ytimg.com/vi/VESqW3WrMkU/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLCC6-GJiKRiq2TwUwlbYIsGJha5rA)
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[Not GND] How is electricity sent from the power plant to the outlet? [Slow explanation] [Trivia]

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What is earthing? Electrical basics
![[Demonstration Experiment] What happens if a transformer without Class B grounding construction c...](https://i.ytimg.com/vi/J1FbFvqn0Z0/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLBisQULhF_7ORWLfnQhXnR3fRBP2Q)
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[Demonstration Experiment] What happens if a transformer without Class B grounding construction c...
![[Quick Guide] The only difference between single-phase and three-phase! A professional explains i...](https://i.ytimg.com/vi/TTKWWubW2_c/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLCSWhyY31R90F0UWJ4zWZSw2allgA)
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[Quick Guide] The only difference between single-phase and three-phase! A professional explains i...

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This section explains the principle of relay operation.

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【初心者向け】単相3線式を理解しよう!仕組みを超分かりやすく解説!【知識編】

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【接地】接地を共用すると危険な理由 電位の回り込みと感電リスクを図で解説

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5-2. 三相交流とは(電気の種類)

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なぜ、高圧進相コンデンサ(L=6%)の定格電圧が6600Vではなく7020Vなのか?カフェジカあきら博士が徹底解説!気になる電気設備の疑問解決コーナー 電験に役立つカフェジカ

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【自動制御】制御機器に4-20mAを使うのはなぜ?1-5Vとの違いは?

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モーターの絶縁不良を絶縁抵抗計(メガー) で調べる

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「電気は線の中を流れる」は間違いです/実は電子は走っていない/NASAも知る「ポインティング・ベクトル」の衝撃/信号が伝わる本当の仕組み

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Something You Didn’t Know About Electrical Wires / Mr. Denjiro's Happy Energy! #648

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When I was working on a live line, the main breaker tripped before the sub-breakers... Why?

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