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Bad forum advice

Bad forum advice, can that be true? we came across this question on an internet fish keeping forum

Pond pump problem

when i plug it in it doesnt work and when i unplug it and accidently touch the pins on the plug i get a massive electric shock. i coudlnt tell you what make or anything it is, i got it off a friend and is a fair few years old. worked fine till a few months ago ... i have got my self a replacement but it isnt as good. any ideas on what causing the problem? i think it muct have something to do with the electrics in side the pump but cant get into it

One reply said

The only thing I can think off would be something like a fault diode, which would send the current back down the wire, I know you use diodes in small circuits, but i'm not sure they would be used in pumps etc.

Because a motor actually generates its own electricity, it's just like a dynamo, so a diode has to be put in place to stop it flowing backwards.

 

Its true what they say, a little knowledge is a dangerous thing. First of all we said years ago on our rcd page "If it is a submersible pump throw the pump away DO NOT attempt to repair it. A pump may cost several pounds and can be replaced, A life is priceless and can not be replaced."

Secondly the part regarding generating its own electricity and diodes regarding pond pumps is absolute rubbish.

What amazes us, is the fact the first person wanted to repair the pump, the second person had no idea what he was talking about either.

so if you join a forum take all replies with a "pinch of salt"

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