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Author Topic: Happs trackball: Why the green grounding wires?  (Read 1006 times)

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Mugzilla

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Happs trackball: Why the green grounding wires?
« on: October 16, 2003, 11:27:51 pm »
I installed my highlip happs trackball. The green ground wires that connect to the outside of the case in 2 places are NOT connected.

In fact, since I had to uninstall the trackball to change the ball, I took the ground wires off completely,... and it still works. Are they there for a reason? Part of some super secret circuit? Static electricity grounding?

grafixmonkey

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Re:Happs trackball: Why the green grounding wires?
« Reply #1 on: October 16, 2003, 11:35:10 pm »
I was wondering the same thing.  Maybe I'll call Happ about it.  Mine isn't connected either, and it's working.
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Edgedamage

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Re:Happs trackball: Why the green grounding wires?
« Reply #2 on: October 17, 2003, 12:25:24 am »
I had asked a couple of tech's about that green wire and they said it is just a safe way to get rid of any static build-up. Safer to channel static to ground than having it zap the opto boards.
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SirPoonga

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Re:Happs trackball: Why the green grounding wires?
« Reply #3 on: October 17, 2003, 01:02:39 am »
And if I recall Happ is the only one with grounding wires.

Syntax

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Re:Happs trackball: Why the green grounding wires?
« Reply #4 on: October 17, 2003, 01:12:38 am »
In most cases grounding is not needed. Its just a safety feature. I wouldn't worry about it not being connected.
« Last Edit: October 17, 2003, 01:13:03 am by Syntax »

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Re:Happs trackball: Why the green grounding wires?
« Reply #5 on: October 18, 2003, 01:12:05 am »
And if I recall Happ is the only one with grounding wires.

FWIW, my 3" Betson also has a grounding wire.  My wico 3" and 2 1/4" don't.  [shrug] I haven't hooked the grounding wires, but I don't have a carpet floor and 100 people using the TB, building up that much static.
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grafixmonkey

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Re:Happs trackball: Why the green grounding wires?
« Reply #6 on: October 18, 2003, 01:26:11 am »
Maybe the grounding wire is just in case somebody comes up and rolls the trackball using rabbit fur gloves in the middle of winter.  
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