flexible cables

[Dylboy]

With that, 6mm PV cable rates at 70A (Alvern cables ) means we can wire a DB with 6MM instead of 16mm GP.

I phoned them and said it's good, asked an engineer in front of a crowd and said fine, stranded cable is good.

It goes against the grain for sure but perfectly good.

So much easier to make a DB look good and it's safe. DC current is an animal so for AC it will handle it properly

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[Leecatt]

Many thanks.
Excuse my ignorance but what is "PV cable" (Photo Voltaic?) and where does one find the official ratings for theses cables?
I would like to know the rating for 2.5mm flexible cord