Run Thhn Through Attic

Stranded thhn is used on most commercial jobs it s more flexible than solid wire which makes it easier to pull and it doesn t spring back when.

Run thhn through attic.

Where run across the top of floor joists or within 2 1 m 7 ft of floor or floor joists across the face of rafters or studding in attics and roof. Put an lb behind the panel to make the turn into the panel and use sweep 90 s for the turns from vertical to horizontal at the rafters. Thhn thermoplastic high heat resistant nylon coated is the best wire for pulling through pvc conduit. Ok as an electrician i have always believed thhn wire could not be run in walls etc.

Yes you can tie pvc conduit into a metallic box. If you choose to run pvc for protection above the rafters then thhn wire is the correct product to use inside the pvc. Can anyone point me to the proper place in the 2011 book. The staple gun should be loaded with wire staples designed for holding the size and type of wire you are running.

Now i am being asked for a code reference stating thhn can not be run inside residential walls without protection. Other types of wire have a sticky rubber sheathing that makes them almost impossible to pull. A where run across the top of floor joists. Bring all of the wire up into the attic.

No you cannot run thhn open the same as you would nm cable. While one person holds the flashlight the other person should use a staple gun to run the wire along the rafters from one entry hole to the other.