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Feeling wierd shocks at the back of my case - Page 3

post #21 of 25
I have had exactly the same thing happen--I think it is the outlet in the wall. I use a UPS backup (1000A) and it has monitoring SW that shows the kind of power it's getting--and it was getting under and over voltage all the time. Could have been that somewher in the house a live wire and the ground had touched.

I dunno. I also know that I had one PSU that always showed -15 or more on the -12V rail and it would shock the crap out of me if it was plugged in but not on.

Could also be your PSU....if it is plugged in at all.
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Shop Dog
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post #22 of 25
I fried a harddrive with a spark once....make sure you correct this problem.
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post #23 of 25
A radiator by itself is not ground. All it is by itself is a huge electrical conductor. When the electric company pulls power from a pole it also has a ground wire strapped along the length of the pole, and it`s connected to a 3/4inch stake that is buried deep into the ground (about 6 feet) at the base of the pole. The other end of that ground wire goes to the neutral (which is the same as ground) strip connectors inside the house breaker box. If all electrical receptacles are well connected and properly wired, then the problem won`t come from the house power supply source. The most likely cause of a case being "hot" electrically is a live wire either touching or nearly touching the case frame. Another cause could be a capacitor or resistor breaking down, and allowing some current to flow to ground where it`s not supposed to. The safest way to check your case (or anything else of this nature) is to set your A/C voltmeter to the proper scale and check from the ground portion of a receptacle to the case that is suspected to be "hot". This will show up right away in some voltage which may read from 35 volts to 115 volts or even higher, depending upon the voltage used (115 volts or 230 volts).
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post #24 of 25
Thread Starter 
i still not found what it was... all that i can say it's gone... can't seem to find any shock.... so i don't have any worry's atm

if i will feel it again then we got some serious issue's and i will test the hell out of my electrical gear to solve the problem
post #25 of 25
Well, go look around your house and see if there's a big metal rod driven into the ground with something like a copper wire running to it from the inside of the house. Thats a ground, and typically it goes into the ground around 8 feet.

Electricity passes to the object with the lowest potential. The bigger something is, usually, the lower its electrical potential. Earth is so huge that when the charge is equalized between your computer and the earth, 99.99999999999% of that energy goes into momma earth. Thats grounding.
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