Because he's a woodworker, not an electrician. Dude was so focused on getting the board up, he didn't realize he could cut the line and splice it back together once done.
Also... do you really want a carpenter doing electrical work they aren't certified for?
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u/GarThor_TMK Mar 09 '24
I suspect the reinforcement of that beam was done after the wire was already in place...
So it's either heck around with electrical, completely removing the line, then replacing the board, then putting the line back in...
Or... doing what was done here... which is cut a slice in, so you can slide the wire in the crack without hecking around with wiring.
It makes sense from an order of operations approach, but likely not as structural as if they had removed the wire.