Wiktor Wise
When installing electric fence posts, it's important to know how far apart to place them. This will depend on the type of fence you're installing, whether it's permanent or temporary, and the type of terrain. The standard spacing for fence posts is 8 to 25 feet apart, but this can vary depending on the specific circumstances. For example, poly-tape and poly-wire require closer spacing of 10 to 12 feet to keep them taut, while high-tensile wires can be as far apart as 90 feet on level terrain. It's also important to consider the type of posts you've chosen and to verify that the area is clear of hidden obstacles like buried power lines before beginning installation.
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Electric fence post spacing depends on terrain type
The type of fence you're installing will also affect the spacing of your posts. For example, poly-tape and poly-wire fences require closer spacing of 10 to 12 feet apart to keep the fence taut. If you're using a standard electric fence line, you can space your posts anywhere from 10 to 20 feet apart, depending on the terrain.
It's important to consider the animals you're trying to contain when spacing your electric fence posts. For example, to create a fence to keep deer away, posts should be no more than 15 feet apart. If you're containing horses, you may want to use thinner wire, which requires posts to be placed closer together due to the weight of the wire.
The spacing of your electric fence posts will also depend on whether your fence is temporary or permanent. Temporary fences can be spaced further apart (up to 50 feet) since they won't be subjected to the same climate changes, weather events, and animal pressure as permanent fences. Permanent fences should be installed to follow the topography of the land, with posts placed wherever there is a high or low spot in the fence line.
Finally, it's important to consider the soil conditions when spacing your electric fence posts. In sandy or rocky soil, the posts will need to be set deeper than in clay or dirt, which may affect the spacing. Additionally, always call before you start any fence construction to ensure that you're clear of hidden obstacles like buried power lines, water lines, and gas lines.
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The type of fence determines post spacing
The type of fence you're installing determines the spacing of your electric fence posts. For example, if you're installing a temporary fence to contain livestock while they graze, you'll want something that can be set up and removed quickly and easily without much work. In this case, spacing your electric fence posts 50 feet apart is ideal.
The standard spacing for fence posts is 8 to 25 feet apart, depending on the type of fence. A standard wood fence would require posts 8 feet apart, while a high-tensile wire fence could have posts spaced up to 25 feet apart.
The type of terrain you're dealing with also plays a role in determining post spacing. For example, poly-tape and poly-wire require closer spacing to keep them taut, typically between 10 and 12 feet apart. On the other hand, high tensile wires can be spaced up to 90 feet apart on level terrain with docile animals, but this distance decreases to 15 feet for hilly terrain.
Additionally, the type of posts you choose will influence how you space your fence posts. T-posts, rebar posts, and fiberglass posts are inexpensive and easy to install, but they may not be suitable for corner posts as they cannot handle the same amount of strain and tension as wood posts. Wood posts provide additional strength and a rustic look to your fence, but they require more effort to install.
It's important to consider the purpose of your fence, your budget, and the terrain when determining the spacing and type of posts for your electric fence.
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Permanent vs temporary fences
Electric fences are typically grouped into three categories: temporary, semi-permanent, and permanent. Each type has its own advantages and considerations, catering to different needs and use cases.
Temporary electric fences are ideal for short-term usage, usually no more than a few days. They are lightweight, easy to install, and highly movable, making them perfect for rotational grazing systems, portable livestock corrals, and containing animals under supervision for brief periods. Temporary fences are constructed with flexible wires attached to insulated posts and powered by an energizer. Polywire, polyrope, and polytape are the three primary types of temporary electric fence products. Polywire, made of electroplastic twine, is suitable for most applications, especially multiple-wire fences. Polytape, on the other hand, is preferred when visibility is crucial, such as with horses, and comes in different widths. Polyrope, a braided rope with metal strands, is more visible and stable than polytape, but both polytape and polyrope are bulkier and more challenging to rewind than polywire.
Semi-permanent fences usually take longer to install than temporary fences and require more accessories. They are suitable for pastures or cross-fencing and can effectively control animals like cows, horses, sheep, and goats. However, larger animals have a higher chance of escaping or entering a semi-permanent fence.
Permanent electric fences are designed to last for decades with minimal maintenance. They can be constructed from various materials, including wood, barbed wire, pipe, woven wire, vinyl, or high-tensile wire. Proper installation is critical for permanent fences to ensure they don't sag and that they follow the topography of the land, adapting to the dips and hills. Permanent fences require more maintenance during installation and more accessories, but they offer long-term durability and can be used for any type of livestock or predator deterrence.
The spacing of electric fence posts depends on the type of fence and its purpose. For temporary fences, posts can be spaced up to 50 feet apart, allowing for quick setup and removal while still effectively containing animals. In contrast, permanent fences require closer spacing to maintain tautness and prevent sagging over time. Additionally, when installing posts, it's crucial to consider the soil type, as posts in sandy or rocky soil need to be set deeper than those in clay or dirt.
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The depth of posts in the ground
The depth of electric fence posts in the ground depends on several factors, including soil type and the amount of tension on the wire. In general, fence posts should be anchored deep enough to withstand the strain and tension of the fence line.
Wooden posts, which are commonly used for end, corner, and brace posts, should be at least 6 inches in diameter and anchored 3 to 4 feet into the ground. This extra depth is necessary to bear the additional strain at the corners and ends of the fence lines. Setting the posts deeper also helps to ensure a sturdy fence that can withstand the tension of a tensioned line.
When installing fence posts, it is important to consider the soil type. In sandy or rocky soil, posts will need to be set deeper than in clay or dirt to achieve the same level of stability. Additionally, the tension on the wire will determine the depth of the posts. Higher tension requires deeper posts to maintain stability and prevent sagging.
For temporary electric fences, the posts can be spaced further apart (up to 50 feet) to allow for quick setup and removal. However, the trade-off is that these fences may not be as effective at containing animals. Permanent electric fences, on the other hand, require more careful planning and closer post spacing (8 to 25 feet) to ensure effectiveness and minimize maintenance.
It is worth noting that step-in, pigtail, rebar, fiberglass posts, and T-posts are not recommended for corner posts as they cannot withstand the same amount of strain and tension as wooden posts.
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Tools for installing electric fence posts
The tools required for installing electric fence posts will depend on the type of posts you have chosen. Here is a list of tools you may need:
- Post pounder: This tool is used to pound posts into the ground. T-posts, rebar posts, and fiberglass posts can be effectively installed using a post pounder. You can purchase a post pounder from the same source where you buy your electric fence supplies. A heavy pipe with a closed end can also work.
- Rubber mallet: Rebar and fiberglass posts must be driven into the ground with a rubber mallet.
- Hammer: A heavy hammer can be used to pound rebar into the ground. A claw hammer is a dual-purpose tool that can drive nails into wood fences (with the flat end) and pry them out (with the claw end).
- Post-hole digger: A post-hole digger can be used to dig holes for wooden posts. Dig a hole larger than the post diameter, place the post in the hole, and then repack the soil around it.
- Hacksaw: A hacksaw can be used to cut fence posts, rails, and brackets to the right size. It can also remove unwanted fence sections during repairs.
- Chainsaw: A chainsaw is useful for cutting wood during fence repairs and installations.
- Electric screwdriver: An electric screwdriver can be used to drive screws into wood and metal fences.
- Manual screwdriver: A manual screwdriver can be used for small adjustments, but an electric screwdriver is faster for larger jobs.
- Wire stretcher: A wire stretcher tightens wire fences to secure and tension them properly. By pulling on a lever or crank, you can pull the wire and tighten it before fastening it to a post.
- Fence stretcher bar: A fence stretcher bar is used to evenly distribute tension when installing or repairing wire fences.
- Electric fence tester: An electric fence tester measures the voltage of your fence to ensure it is working properly.
- Insulator: Insulators keep the electrical charge within the fence wire, especially in wet conditions or where posts are made of conductive materials like steel or aluminum.
- Wooden stakes: Wooden stakes can be used to plan out fence installations. Attach a string line to the stakes to map out where your fence lines will be.
- Mason's line or string line: A thin, twisted nylon rope used to map out where your fence lines will be.
Remember to always check with your gas company and other utilities before you dig to avoid any buried lines that could result in serious injury or death.
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Frequently asked questions
The standard spacing for electric fence posts is 8 to 25 feet apart, depending on the type of fence and terrain. For a standard wood fence, posts should be placed 8 feet apart, while high-tensile wire fences can be spaced up to 25 feet apart. Poly-tape and poly-wire fences require closer spacing of 10 to 12 feet to keep them taut. On hilly terrain, high tensile wire fences should be placed no more than 15 feet apart.
In addition to the type of fence and terrain, it is important to consider climate conditions, snow and ice loads, and soil conditions. Spacing the posts too far apart can reduce the life expectancy of the fence due to loads placed on it during climate changes and animal pressure. It is also crucial to verify property lines and check for underground utilities, such as power lines, water lines, and gas lines, before installing the posts.
Temporary electric fence posts can be spaced further apart than permanent installations. A spacing of 50 feet is recommended for temporary fences to efficiently contain stock while allowing for easy setup and teardown.
The tools required for installation depend on the type of posts chosen. T-posts, rebar posts, and fiberglass posts can be installed using a "post pounder" or a heavy pipe with a closed end. Wooden posts can be driven into the ground using a post pounder or tamped into place after digging a hole larger than the post diameter.
