this post was submitted on 22 Nov 2023
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You probably want to slip some conduit around the wire to protect it from the mortar, patch the hole, then use a surface mount box screwed to the wall with the wire fed in the back.
The wire is inside a copper pipe. The line going to the box is a copper pipe with 2 wires in it. (I think its already protected.)
If that's the case, I'd probaby try to cut the copper pipe back, install a 90 degree fitting and do the rest of what I suggested.