On Fri, 09 Oct 2020 18:19:13 +0100, charles wrote:

But some what easier to break than 2.5 T&E (or bigger) after a
fire
has destroyed a plastic clip, which would also have annealed the
copper and removed all the insulation.

the size of copper depends on the current carrying capacity, not the
insulation.

For a Cat5 cable the insulation makes up most of the cables tensile
strength.

So I take it that the hardened pin and plastic cable clip fixings
are
no longer legal?

depends where

Expand?

--
Cheers
Dave.