Instructables
What the heck is that big rusty yellow thing? ....that's what they used to say about my car back in high school, but no, I'm talking about the big rusty yellow thing in the picture! 
It's an old Fence Stretcher/Splicer and this Instructable is going to show you how to use it to splice a wire fence.

It's spring and we've already had a few tree-dropping storms, so I've got a few fences to repair...Let's go  !

First step, gather the tools needed:
  • Fence Splicer/Splitter - this one has been around, but I see they can still be purchased ...your local farm supply store or even on Amazon
  • Wire
  • Wire cutter (I grabbed a tin snips...there are better tools for this job but alas....)
  • Large screwdriver
  • Fence Staples (1 1/4")
  • Pliers or vice grips
  • Tape to mark the repair
  • Gloves

Safety first, if it's an electric fence turn off the electric fencer  :-)
 
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Step 1: Get Loopy

Picture of Get Loopy
2013-05-21 18.05.10.jpg
In the location of the split, clear fallen trees and plant-life so you have room to work. If it's an electric fence you'll want to keep plants from touching the line anyway.

De-kink the wire and pull it reasonably tight. You may have to check down the fence line a bit to be sure all the kinks are out.  
You may have to remove some fence staples to clear things up.

Grab one of the split fence ends and bend the wire to create a loop. Similar to a simple fishing line knot, you want to twist the wire and run it back through the loop so it can't easily come unwound by animals pushing against the fence.

Cut a section of wire from the spool of spare wire to use as a "splice wire"...you'll want some extra length, so make it maybe 3 feet long. Slip one end of it through the loop you just created and join the two sections by creating another loop. 
Grizz2706 months ago

I've had to fix a lot of fences on our farm. My father pointed out to me (which is ironic since he's mechanically declined) that when you use loops all the pressure of the fence has very little surface area. It will rust out faster there. I started using his idea of wrapping each end around one another. It works and will last longer. Although it takes longer to fix.

oakback1 year ago
I've often wondered, what is the preferred method for pulling tight the type of fence that has squares in it? Not sure what it's called, mine has 6" squares at the top, that get narrower toward the bottom.

I'd also like to add, if using T-posts, the proper ties and fence tool (funky plier/hammer things) make the job so much easier.
mazzmn (author)  oakback1 year ago
Oh I know what you mean...I think it's called Woven Wire fence and the green Tposts. I have some of that I need to set up to keep the deer out of our garden. I use the tpost clips to hook the fence to the tpost and they are very easy to put on and off...so for a small fence like ours, I roll the fence out, get it into basic position and start hooking it up at one end....then farther on down the line I hook up a post that isnt fully in the ground yet...I hook clips up to that post and use that post as a lever and cranking on it to pull the fence tight.
Then re-adjust the clips after the slack is out.
I imagine you could clip a post to the fence and then hook that fence post to a Come-A-Long Winch...hook the other end of the Winch to a tree or tractor or something and then pull out the slack that way too.
Did some random googling and found someone doing it that way
http://www.backwoodshome.com/blogs/JackieClay/2009/05/
oakback mazzmn1 year ago
Neat, that's a great idea! I was just thinking I should find a use for my old 2,000 lb atv winch.