Styx
Active Member
right someone said something that got me a bit worried so just posting here
bear in mind that this is for a USA based computer
He said that in his flat there is no EARTH connection so he has taken the NEUTRAL and used that on his PC case.
Now this gets me a bit concerned.
this is what I think:
For starters that is bypassing the isolation from the PSU
Also what is to stop the case (now at NEUTRAL) to floating to a potential above EARTH so if you touched it and also something at EARTH you would get a shock! (could be wrong since it is US - clarify anyone??)
The point of connecting CASE to EARTH is to protect if there is a fault in the PSU such that the case goes LIVE. having an earth leakage breaker would mean that as the case was going live (not fully yet) it would trip out the breaker. This method it would have to reach a potential to allow enough current to flow to blow the fuse??
I dunno it just sounds wrong?
--EDIT--
nvm got him to see sense, Pointed out the isolation aspect. I was really starting to doubt myself on this one,
posted here I guess for some re-assurances...
bear in mind that this is for a USA based computer
He said that in his flat there is no EARTH connection so he has taken the NEUTRAL and used that on his PC case.
Now this gets me a bit concerned.
this is what I think:
For starters that is bypassing the isolation from the PSU
Also what is to stop the case (now at NEUTRAL) to floating to a potential above EARTH so if you touched it and also something at EARTH you would get a shock! (could be wrong since it is US - clarify anyone??)
The point of connecting CASE to EARTH is to protect if there is a fault in the PSU such that the case goes LIVE. having an earth leakage breaker would mean that as the case was going live (not fully yet) it would trip out the breaker. This method it would have to reach a potential to allow enough current to flow to blow the fuse??
I dunno it just sounds wrong?
--EDIT--
nvm got him to see sense, Pointed out the isolation aspect. I was really starting to doubt myself on this one,
posted here I guess for some re-assurances...