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structural - Can I put holes in every floor joist? - Home Improvement Stack Exchange

This is probably a dumb question, but I want to make sure this is safe. I'm running an Ethernet cable along the carpet as seen in the picture. I assume there is

electrical - Pulling wire under Stairs - Home Improvement Stack Exchange

How can I add flooring to an attic floor with electrical wires running across it? - Home Improvement Stack Exchange

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Cable installation with Open-web floor trusses