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RCD (residual current device)


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#1
peyote

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Searched the web for the answer but couldn't find it.

Quick question, will a RCD(residual current device) aka a trip swich procect computer components from a failed psu ?
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#2
phillpower2

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NO, the RCD is on the wrong side of the electricity, so basically clean electricity has already passed through the RCD through the cable to the wall socket and into the psu.
Hope this explanation helps.
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#3
peyote

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Thanks, understood :D
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#4
phillpower2

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You are welcome :D
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#5
Digerati

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There is nothing that can guarantee a failed PSU does not take out the motherboard, RAM, CPU, graphics card, or anything else that it plugs into. BUT - the better PSUs are much better at detecting and isolating fault conditions so "hopefully" it will shut down before collateral damage occurs. This is yet another reason to stay away from cheap, no-name generic PSUs that were probably made in some obscure factory in China by poorly trained, ill equipped, perhaps forced and possibly under-aged ;) :D labor in horrendous conditions under the watchful eye of ruthless factory owners and corrupt government officials - AND using components made under the same conditions in another factory up-river!

A good, quality PSU from a reputable maker is a good investment.
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