You ll be fine running cat6 over the insulation.
Cat6 in attic.
The end i can get to is cut for me to work with if i wanted and i am not sure where the other end goes to.
A wired cat 6 network is more reliable and secure than a wireless network or cat 5 cable network for your internet connections.
In fact attach to your joists.
Remember that the main thing which defines this cable as cat6 rated over cat5 is the center insulation piece that.
This is important when running the cable up the side of a house or across a roof.
I can offer a few tips for those rewiring their house and using this cable in the walls and attic.
Cat6 cable in attic in the attic i noticed i have some cat 6 cable wound up.
Since the network cable will be run in the walls and the attic would code dictate that i use riser cmr or plenum cmp rated cables or will general purpose cm category 6 cable suffice.
A zip tie loop stapled to the joist could be a good support solution.
Rather remembering where your cable runs are in the attic to not damage them should you need to get up there again for another upgrade.
Exterior grade ethernet cables are waterproof and can be buried in the ground without a conduit.
14 for 12.
1000 spool cat5e or cat6 cat6 recommended more or less based on your need.
The cat 6 cable runs will follow the existing runs for cable tv coax in each room.
My concern wouldn t be heat related.
If you aren t burying the cable choose a waterproof cat 6 cable that has a uv protective jacket to prevent damage from sunlight exposure.