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3D Anti-Deer Fence (3 to 5 strand)

3D Anti-Deer Fence (3 to 5 strand)

Watch — How-to Video

How Electric Fence Works

Instructions/Diagrams
The “3D” design is simple in design and installation. It’s low cost, easy to maintain, and has a proven record of protecting orchards, food plots, vineyards and newly planted trees from troublesome deer.

What is a 3D fence?

It’s two fences of electrified rope set 3 ft apart. They combine to make a barrier that has both depth and height—hence 3D. A fence energizer provides the high-voltage, high-energy shock to instill fear in the animal. Scent caps are attached to the electrified rope at intervals to entice deer to first touch the rope with their noses.

Electric fences use pain to raise the “cost” (the degree of risk and effort to use an area) and persuade deer that it is safer and less frightening to feed, rub or trail elsewhere.

How does a 3D fence work?

Deer experience “landing anxiety” before they decide to jump over something. So, when facing a fence that has height, length and depth, deer are more tentative than with a fence that’s only “2D” (tall and wide, but not deep).

Experts tell us the depth perception of species with side-of-the-head eye placement (deer, horses) is less than for species with both eyes in front (cattle, humans).

When a deer encounters a 3D fence, they are more likely to approach it cautiously. They will check it with their sensitive noses and receive a memorable electric shock. The pain encourages deer to find a less risky “restaurant,” trail or bedding ground.

Is it foolproof?

No. The only 100% deer barrier is a solid wall at least 8 ft tall! A desperate animal may risk the pain—which is why you can’t keep out starving deer with electric fencing if the site is their only food source.

It’s been our experience that electric fences for deer fail because:

  • Installed at the wrong time (after the herd’s habit is ingrained).
  • Managed without an awareness of how a deer herd interacts with fences.

Key components you’ll need:

✔  Rope Conductors
Conductors that are 4.5mm and 6.0mm in diameter are best. They last longer in semi-permanent and permanent situations. Black and white is the most visible to humans and fast moving deer (slow ones too). Weed growth under electrified ropes needs to be removed or sprayed once each summer.
✔  Posts
Use strong wood or metal posts for corners. Their stiffness withstand strain over long periods to keep conductors tight. For semi-permanent installations, fiberglass rods make excellent line posts between corners and are less $$ than wood or steel.
✔  Insulators
Match insulators to the type of posts you’re using. UV-resistant black insulators are best for long-term use, followed by white. Avoid yellow or untreated insulators; they breakdown quickly in harsh sunlight.
✔  Energizer
Modern fence energizers send very brief (less than 3/10,000 of a second), high-voltage pulses through a conductor every 1–2 seconds. Choose a unit powerful enough to create a memorable shock.
✔  Scent caps
Should be refilled with apple scent before a season of high deer activity (and ideally every 10 days during the high-activity seasons). When are those seasons? For rubbing damage it’s in the autumn before the rut. For browsing damage it depends on plant species.

FREE shipping on qualified orders over $100!

We offer many fences to fit your situation, including different heights and lengths, multiple colors, drivable posts and positive/negative options for dry soils. Questions? Call our fence consultants at 800-282-6631 for expert advice.

Conductors
Energizers
Posts
Accessories

Precautions

Electric fence is a pain barrier, not a physical barrier. A common mistake is not electrifying it. Animals may escape or become entangled (and may die). On a % basis, entanglement is very rare, but it can and does occur. If animals are scared or starved it will not keep them in. The first time you put the animals in the net, you should be available to watch them for a while. That way if one were to get into the fence and get caught, you can turn the power off and get them loose.

Warning! Due to risk of fire, do NOT use continuous output energizers with electric netting or electro-plastic conductors such as rope, twine or tape. Use only with a low or wide impedance intermittent pulse energizer. (Fi-Shock™ brand energizers which are sold as low impedance, continuous current output should NOT be used with electric netting.) All energizers sold on Premier’s website use an intermittent pulse and are suitable for use with electric netting.

Dry conditions and wintertime usage may reduce the effectiveness of electric fencing. Ice and heavy snow can flatten netting and thereby damage it.

Dry or frozen ground may cause post spikes to bend or break if inserted with force. Pilot holes may be needed. We recommend using drivable or single spike posts in hard soils. Double spike posts provide more stability when the ground is soft.