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USB Hub grounded?

B

bengreen79

[H]ard|Gawd
Joined
Oct 27, 2002
Messages
1,830
I was wondering if a powered USB hub is grounded by the power supply?

The reason I ask is because I have a nice Canon scanner that is powered by the USB port and has a sleek metal shell on it.

Problem is, I seem to have static issues (personal static issues, I once got a shock from a pumpkin sitting on a counter). I have already burned out two USB ports on my PC after touching the sleek metal shell on the scanner when going to use it.

So, if I got a shock off of it plugged into a powered USB port, would the power supply on the scanner act as a ground?

I currently have it ghetto rigged with a wire stuck to the scanner going down to my case to ground it because I am too thickheaded to remember to ground myself before I use it. I was just wondering if a USB hub could solve my problem permanently.
 
the powered usb hub i have uses a transformer which only has 2 plugs on it, as in not the 3rd u-ground plug. that's not to say that there aren't any, but i kinda doubt it
 
uhh, that sounds like somethings wrong with the scanner, not you. yeh you being charged and touching it would create a spark and zap you, but it shouldnt break anything at all, since itd follow the ground line thru the scanner, the hub, and into the wall.
 
Originally posted by kronchev
uhh, that sounds like somethings wrong with the scanner, not you. yeh you being charged and touching it would create a spark and zap you, but it shouldnt break anything at all, since itd follow the ground line thru the scanner, the hub, and into the wall.
Click to expand...

I know it isn't the scanner because I have done the same thing with a gravis gamepad usb game controller.

So in your above statement, you are telling me that a powered scanner IS, in fact, grounded?
 
Originally posted by kronchev
uhh, that sounds like somethings wrong with the scanner, not you. yeh you being charged and touching it would create a spark and zap you, but it shouldnt break anything at all, since itd follow the ground line thru the scanner, the hub, and into the wall.
Click to expand...
Yeah, something isn't properly grounded on your setup, I would check all your plugs and whatnot.
 
Originally posted by JSClark
Yeah, something isn't properly grounded on your setup, I would check all your plugs and whatnot.
Click to expand...

Ok, something IS grounded or I couldn't get a shock. It is the path of the ground and the ability to reroute that patch the concerns me.
 
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