On 27/03/2019 13:24, Tricky Dicky wrote:
Read Adams reply in the "Running cables into trunking from CU". It's the same issue.

Richard


Bugger, I somehow missed that thread. It suggests I ought at the very
least to have drafted to steer people towards use of intumescent sealant
as "good practice".

--
Robin
reply-to address is (intended to be) valid