DIYbanter - View Single Post - Colour of external juntion boxes and conduit

Andrew Gabriel

In article ,
writes:
On Thursday, 28 December 2017 22:50:24 UTC, Andrew Gabriel wrote:
Use a BESA box (circular conduit box) in the same range as the conduit.

I'm not sure many plastic lids would seal to a BESA box even with a rubber whatsit. They could be solvent welded on though.

Must admit, I've only used metal BESA boxes outside.
They do seem to seal OK, even though the lid screw holes
and base earthing screw are not really sealed.

More recent ones have thin sheet steel lids which bend
quite easily so harder to get pressure all around than
with the older cast iron lids, but so far, even those
are staying dry inside.

If you do use metal BESA boxes outside, make sure you
use the galvanised ones, and not the black enamelled
ones.

--
Andrew Gabriel
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