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wrote:
In article , writes
IMM wrote:

Potentially you would expect more water vapour to get through using
an
open
pipe arrangement than using the old teracotta pot which can also be
sealed
to some extent.

use plantpots, as these are cheap and fireproof. Seal up the hole if
there
is one. Cut a notch in the rim for the cable and seal around the rim
with
silicon.

How does this help? The requirement is to stop the light getting too
hot, if you completely enclose it in a flower put and even seal it up
then it'll get even hotter won't it?

Is the requirement to stop them getting hot?? they are designed to go
into enclosed spaces not just open lofts so I don't think heat build up
around the lamps is a problem, the requirement is to keep materials away
from the lamp so an upturned clay pot is a good solution, I did this to
mine years ago without problem.

Well the original subject is "Preventing halogen lights overheating
under Rockwool". The loft insulation is hardly going to suffer from
the heat of the lamp so what good is the plant pot doing?

It is keeping an air space around the lamp and the insulation away from the
lamp too.