Description
The Dogtra 500 ft boundary wire is 20 gauge copper wire for the E-Fence 3500. Use it to make your fenced area bigger or to replace a damaged section.
Will the Dogtra 500 ft Boundary Wire fit?
It’s listed for the E-Fence 3500.
Planning the layout
Measure your boundary before you order. Add the lead-in run from the transmitter out to the loop, and leave some spare. Twist the lead-in wire so that section doesn’t trigger the collar.
Splicing and burying
Every join should be sealed with a waterproof splice. Bury the wire a couple of inches down, or run it through a saw cut across driveways. Test the loop before you cover it.
Finding a break
If the transmitter says the loop is broken, walk the boundary looking for fresh digging, mower damage or anywhere the wire crosses a path. Repair the break with a splice and re-test.
Teaching the boundary
A fence only works if the dog understands it. Plan on a week or two of short leash walks along the flags, praising your dog for turning back. Don’t leave a dog alone with the fence until it’s reliable.
Fence parts we stock
The 500 ft boundary wire extends or repairs a loop. The waterproof splice kit seals joins. The EF-3500 expansion kit bundles wire, flags and splices. The surge protector guards the transmitter, and the BC25V500 powers it.
Protecting the transmitter
The fence transmitter is plugged in all year, so storms are its biggest risk. A surge protector made for Dogtra fences is cheap protection for an expensive part. Dogtra’s manuals are on Dogtra’s website.
Ordering tips
Small parts are cheap to add to a bigger order. So add them. If you’re also due a battery, a new strap or a fresh set of contact points before the season starts, put everything in the same order and it all ships together in one box with one tracking number, which is a lot easier than chasing three parcels.
Why genuine
Genuine only. We sell new, original Dogtra parts in their packaging, made to Dogtra’s own specs, so they fit and work the way the factory part did.
Dogtra 500 ft Boundary Wire questions
How big an area does the Dogtra 500 ft boundary wire cover?
A single 500 ft loop makes roughly a 125 by 125 foot square, about a third of an acre.
What gauge is it?
20 gauge copper.
Can I return it if it’s the wrong part?
Unused parts in the original packaging can come back within 30 days. See shipping and returns.
Order the Dogtra 500 ft boundary wire here, or see all e-fence wire and parts.





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