On 08/04/2020 13:03, Adam Funk wrote:
Is it OK to cut a rectangular hole in a *wooden* door frame to insert
a metal architrave box [1] for a matching light switch?

(This is to go in the frame between the dining room & pantry/cellar
head to switch on the lights in the pantry & cellar.)

[1] example:
https://www.toolstation.com/metal-box-1-gang/p51346

No reason why not if the cable route follows the normal rules...



--
Cheers,

John.

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