Back entry wiska box

impish15 · Aug 13, 2022

Hi all,

I’ll be fitting a new outdoor light next week. Does anyone have a link to a back entry wiska box they use/recommend please? This is what is currently installed

Many thanks in advance

SparkyChick · Aug 13, 2022

I usually just open the drain hole at the bottom of a 308 and then cut a 20mm hole in the back of the box... apply a liberal amount of sealant on the back face and then screw it to the wall. If you're really concerned, run a bead of sealer half way up each side and across the top.

I've been doing it this way for many years and have thus far not had any issues with this approach.

impish15 · Aug 13, 2022

SparkyChick said:
I usually just open the drain hole at the bottom of a 308 and then cut a 20mm hole in the back of the box... apply a liberal amount of sealant on the back face and then screw it to the wall. If you're really concerned, run a bead of sealer half way up each side and across the top.

I've been doing it this way for many years and have thus far not had any issues with this approach.

Many thanks. Clear and concise. I’ll go with this

littlespark · Aug 13, 2022

that close to the underside of the eaves, youre not going to get rainwater falling on it... You could miss the sealant.

Ladder job?

impish15 · Aug 13, 2022

littlespark said:
that close to the underside of the eaves, youre not going to get rainwater falling on it... You could miss the sealant.

Ladder job?

It’s a single shortly extension so not too high couple of steps up the ladder