BigWallop wrote:
As for the flex outlet plates. Yes it can be used in this type of
situation, but make sure you smear some sealant around the joint between it
and the wall to stop water droplets from getting in behind it. In an
installation such as this, I personally use plain blanking plates with a
knock out on one edge. This is so a I can place the knock out pointing
downward which then allows the flex to hang so moisture can't run back up it
and into the gubbins inside. Finished with some sealant around the gap
between wall and plate and it usually lasts for many years without causing
problems.

Many flex outlet plates have downward facing flex outlets.

Using your blanking plate, how do you provide a cord grip?

Owain