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  1. 16-04-2019 #1
    ryghar's Avatar
    Lives in Buenos Aires, Argentina.
    ryghar
    Last Activity: 16-04-2019 Has been a member for 2-3 years. Has a total post count of 8. Received thanks 4 times, giving thanks to others 0 times.
    Hello!

    Reading about proper grounding of cnc electronics I saw that ground has to be isolated from power supplies negative. So, I have a copper plate with ground cables from 48v, 12v and 5v power supplies with ground cable from the wall.
    Everything works fine but the machine itself, has no ground cable because if I attach the negative of my probe cable I will be connecting negative to ground... This morning touching the machine structure and the door handle (the door is metalic) I felt a light discharge. Should I connect the maching to ground? Can this affect in any way the electronics with that negative to ground? ( the discharge was lightly, I can live with that lol)
    The router has no ground cable, maybe that was the reason for the discharge.

    Thanks!!
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