[TowerTalk] Stretching THHN house wiring

[Jim Brown]

On Wed, 29 Nov 2006 12:22:45 -0800 (PST), Lee Buller wrote:

>What I have done before putting up THHN House wiring is to pre-
>streach it.  I would take about 100 foot or so....then tie one end
>to a fence post and the other to the bumper on my car.  Drive off
>till it broke.  The streach is gone and the place it broke was weak
>anyway.

Yes. What you end up with is hard drawn copper!  I've done that, 
and, as I recall, the stretch was something like 5-10%. 

Jim K9YC