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Hi All,

I'm part way through testing an empty old house with all sorts of older wiring and a 3036 board in order to work out whats needed.

First circuit is copper clad aluminium ring final. I measured one of the strands and have it as 7/036.

Question - am I wrong to assume is imperial?

I do not know when this was commonly used/installed.

In fact I had a decent document or web page once which gave a kind of history of UK wiring with dates etc. - but I can't find it. Has anyone got anything useful?

I need to investigate this particular circuit further as IR for LN = 26 Mohms despite the house being empty, LE and NE at just other 100Mohms so maybe rewiring anyway.

Pictures because we all like pictures, from right to left - circuit 1 is copper clad ring, circuit 2 is copper clad ring mentioned with low IR. Lights are copper - but not sure about the last two yet.

13 Stone Delf CU.JPG
 

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