Material and csa question

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What material is this main earth made from and what is its csa?

Earth-arrangement.jpg
 
Just looking at the clamp onto the cable it appears that the main earth has been subjected to a bit of a harsh environment.

Some more verdigris:

300px-Verdigris.JPG
 
Podooser said:
What material is this main earth made from and what is its csa?

So when filling out the PIR form what would you put in the spaces for

"Main Earthing - Material___________ Csa___________"
 
for the material grab your knife and scrape through the crap and if its copper it'll be obvious otherwise i'd just put down unknown.

for the csa get your micrometer onto one of the strands, count the strands and do the maths.
 
Looks like imperial tinned copper??

Terminate that stranded earth in a block & fit 16 to the CU....
 

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