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Happ's 3" trackball grounding

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QuarterJunkie:

Oh. Alright. If it is for static, I'll just run a wire to a case screw on the pc.

Thanks!

fatfingers:


So, won't the case be charged then?  Or is that all somehow grounded to "mains"?


QuarterJunkie:

The case should be grounded through the electrical outlet (asuming it is a metal case)...Otherwise, you could also ground it to a ground wire from a power supply (either of the 2 middle black wires) molex connector.



2600:


--- Quote from: QuarterJunkie on March 17, 2008, 03:46:02 pm ---The case should be grounded through the electrical outlet (asuming it is a metal case)...Otherwise, you could also ground it to a ground wire from a power supply (either of the 2 middle black wires) molex connector.

--- End quote ---

No, they are not the same ground.  Do not do that.

Screw it onto the case screw that attaches to the power supply.  Internally, the power supply connects the case to earth gnd coming from the outlet.

mountain:


--- Quote from: 2600 on March 17, 2008, 04:11:16 pm ---
--- Quote from: QuarterJunkie on March 17, 2008, 03:46:02 pm ---The case should be grounded through the electrical outlet (asuming it is a metal case)...Otherwise, you could also ground it to a ground wire from a power supply (either of the 2 middle black wires) molex connector.

--- End quote ---

No, they are not the same ground.  Do not do that.

Screw it onto the case screw that attaches to the power supply.  Internally, the power supply connects the case to earth gnd coming from the outlet.

--- End quote ---

The two middle pins on the Molex connector, the case, the input ground pin where your AC plugs into the power supply, they are all tied together. Do what is easiest, probably connecting it to the output of the power supply is the most common.

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