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  1. i create extexsion board 1 usb 1 switch 1 socket how create plz help me

  2. Your video was quite good, except you didn't explain where the neutral comes from in STAR connection. It is the junction point of all windings, or the STAR point.
    Nevertheless, presentation was perfect with queries resolved.
    I have a question.
    If I am getting shock from my shower handle what could be the reason?
    I measured Earth to Neutral and found it 50 V, earlier it used to be 1-3 V AC.
    I have 3 phase, 4 wire supply and my earthing is perfect.
    Second neighbor also complained of same shock. He also has perfect earthing.