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  • I'd worry more about a crack in grout/tiles soaking down through the wall and ending up in contact with a wire that could be bared, or, more scarily, that junction box sitting in the void fills me with the heebie-jeebies. You definitely wouldn't want that to end up sitting in a pool of water because of a leak.

    I'd be interested to hear what any sparkies have to say about it all.

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