[sdiy] Mains interference

BrightBoy jdec at mindspring.com
Thu Mar 27 18:22:50 CET 2014


If the main panel ground wire is connected to the grounding
rod(s) with only a clamp, you may want to replace with a 
permanent, lower impedence connection using an exothermic
welding process:

https://www.youtube.com/watch?v=bBnbB3fiux0

Cheers,

Jeff

-----Original Message-----
>From: Neil Johnson <neil.johnson71 at gmail.com>
>Sent: Mar 27, 2014 7:42 AM
>To: Oakley Sound <oakleylist at btinternet.com>
>Cc: Synth DIY <synth-diy at dropmix.xs4all.nl>
>Subject: Re: [sdiy] Mains interference
>
>Tony,
>
>> Any pointers you can give would be very much appreciated.
>
>http://en.wikipedia.org/wiki/Earthing_system#IEC_terminology
>
>You might have dodgy earth, or a higher-than-you'd-like earth.  A
>chunky earth rod might improve your local situation, but check with an
>electrician first, or try your electricity board to see if they'll
>test it/sort it for free.
>
>Neil
>
>--
>http://www.njohnson.co.uk
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