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Old 3rd Jul 2011, 9:17 pm   #15
Neil Purling
Nonode
 
Join Date: Jul 2005
Location: Hull, East Yorkshire, UK.
Posts: 2,083
Default Re: Is the mains 'earth' good enough?

Perhaps I should proceed and make the project exactly as originally designed, but with 3-core cable. I can experiment with either earth method, leaving the set with such a arrangement as gives best performance.

The only independent earth I can access is the domestic cold water pipe as it enters the property. A property of this age has metallic pipes and I'm pretty sure they're copper.
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