ATX psu dc output connected to earth?

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mb82

223 posts

Master Geek

#183671 26-Oct-2015 10:32

What is the effect of one of the dc outputs of an atx psu (+ 3v, 5v 12v) coming into contact with the exterior casing of the atx psu?

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richms

28173 posts

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#1413911 26-Oct-2015 12:16

The 0v on an atx power supply is grounded to the case of it. If the 3.3 or whatever touches the case, it will shut down.

If one of the gutless -ve outlets touches the case, it will blow up that output because it doesnt seem to protect them. Dont ask how I know that ;)

Richard rich.ms

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