[TowerTalk] Long Wire Sag

[jimlux]

On 3/10/19 1:09 PM, Jim Brown wrote:
> On 3/10/2019 12:32 PM, Gedas wrote:
>> In my mind I envisioned if I had a 300' length of say #12 and tried a 
>> pre-stretch that it would break near one of the ends and no where near 
>> the middle. Has that been your experience?
> 
> When doing the pre-stretching, the wire ALWAYS breaks at one end or the 
> other. We've done this at least ten times. (That is, with 3-4 spools, 
> which I think were 1,000 ft).

Probably because however you attach it to the end point increases the 
local stress (twisting, bending, what have you)