Wiring and their colours

[Robin]

Copper vs aluminium by appearance - after cleaning. May help to hold a bit of known copper alongside if in doubt.

As Andy said, not after gently scraping it a bit.

Pass.

[Mike Clarke]

And to add to the confusion the 3/029 and 7/029 stranded cables in the

50's and early 60's were tinned copper so not copper coloured.

[Robin]

D'oh! I'm hanging my head in shame as it was only last year I came across some in a neighbour's socket and remembered to scrape it before concluding it was Al.