Submitted by Affectionate_Cronut t3_ztl8bq in DIY
ZAFJB t1_j1ig7gf wrote
Reply to comment by MyOtherAcctsAPorsche in Can I install this single pole switch in place of the dimmer switch that was here? by Affectionate_Cronut
In most construction, wiring now goes in the cavity in walls.
In some places like the UK, wiring can be direclty rendered in the wall.
MyOtherAcctsAPorsche t1_j1iikzj wrote
We make houses out of solid brick, or brick that, while hollow, you can't pass wires through. The wall is built, then a channel for the plastic conduit is carved into it.
This is standard: https://i.imgur.com/rZdWBD9.png
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