Be sure to leave enough slack on both ends to make connections.
Cables through attic.
Amazon s choice for waterproof cable pass through.
Feed cables through the holes.
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Find your attic access.
Measure the distance between the two sites you want to run wire between and make sure you will have enough wire.
How to run wire through an attic step 1.
Chuck a drill bit sized to allow the cable to pass easily through the hole it creates.
This bit should be at least as long as the amount of the coat hanger bit that was needed to penetrate the space.
This is usually a moveable piece of drywall or plywood that covers a rectangular hole in.
How id do it if you put your cables to the edge where the apex of the roof meet the ceiling so you basically end up with your wireing loom at the edge of your attic then clip your cables along the ceiling joists 50mm from the plaster board then its clear of insulation and if you need to lay a floor you can but do try to avoide drilling hole through the joists as you will not meet the requirements as youll be less than 50mm from each each edge if the ceiling joists are 75mm.
Support cables at 4 1 2 inch intervals with appropriate staples or clamps.
Use a fish tape or a fish stick a rigid pole for pulling wires when you need to pass them through the wall plates to the floor above or below the one on which you re working.