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Electric fence insulators

Electric fence insulators are essential for wooden or metal fence posts. For your electric fence to be effective, the conductor must not touch the posts, this is where you need electric fencing insulators. We offer a wide range to suit your post type.
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143 Results
20x Strainrite Insulated Clip Wire Strainer 20x Strainrite Insulated Clip Wire Strainer
Strainrite
20x Strainrite Insulated Clip Wire Strainer

Strainrite's Hi-Strain Insulated Clip Strainer is a high quality, insulated, all in one wire tensioner for electric fence wire. Includes 20 pieces.

£115.00
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10x Gallagher XDI Offset Bolt-on Insulator 20 cm/M6 10x Gallagher XDI Offset Bolt-on Insulator 20 cm/M6
Gallagher
10x Gallagher XDI Offset Bolt-on Insulator 20 cm/M6

Innovative Gallagher design. Much stronger than the standard offset insulator due to a new technique, and more durable due to its metal core.

£35.99 £34.00
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5x Gallagher Roller Screw-in Insulator - Easy2Use 5x Gallagher Roller Screw-in Insulator - Easy2Use
Gallagher
5x Gallagher Roller Screw-in Insulator - Easy2Use

Innovative Gallagher design. Easy to install. Suitable for poly wire and rope. The special design means the wire always returns to the roll.

£6.89 £6.50
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20x Hotline Bolt-on Electric Fence Insulator 20x Hotline Bolt-on Electric Fence Insulator
Hotline
20x Hotline Bolt-on Electric Fence Insulator

These bolt-on electric fence insulators (Screw-in version pictured) are high quality, heavy duty bolt-on plastic ring insulators that are designed for use with permanent systems using galvanised stranded wire, high tensile wire and polywire. Although they

£15.00
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100x Gallagher Screw-in Insulator Super - Black -  for Wooden Fence Posts 100x Gallagher Screw-in Insulator Super - Black -  for Wooden Fence Posts
Gallagher
100x Gallagher Screw-in Insulator Super - Black - for Wooden Fence Posts

Gallagher high quality screw-in insulator without metal core, therefore no short circuiting possible. Pack of 100 pieces. Easily screws into wooden fence posts.

£44.99 £42.50
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100x Gallagher XDI Offset Screw-in Insulator Bent 18 cm 100x Gallagher XDI Offset Screw-in Insulator Bent 18 cm
Gallagher
100x Gallagher XDI Offset Screw-in Insulator Bent 18 cm

High quality offset insulator (18 cm) with metal core, helps prevent damage to non-electric fences.

£149.00 £141.50
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25x Gallagher Offset Pinlock Insulator 30 cm - Black 25x Gallagher Offset Pinlock Insulator 30 cm - Black
Gallagher
25x Gallagher Offset Pinlock Insulator 30 cm - Black

For electrifying existing or run down fences. Easy to fix. 30cm long. Large spark guard. Pin lock for easy installation and removal of wires.

£99.99 £95.00
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30x Gallagher Wire Insulator for Pos/Neg Fence System 30x Gallagher Wire Insulator for Pos/Neg Fence System
Gallagher
30x Gallagher Wire Insulator for Pos/Neg Fence System

This Gallagher insulator has been developed especially for fitting on a spacer insulator (item 072491 or 029006).

£12.50
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50x Hotline Staple-Away Insulators 50x Hotline Staple-Away Insulators
Hotline
50x Hotline Staple-Away Insulators

Hotline P8 Staple-Away Insulators with Staples (50).

£17.75 £15.00
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20x Hotline Electric Fence Insulators P37 20x Hotline Electric Fence Insulators P37
Hotline
20x Hotline Electric Fence Insulators P37

These Hotline P37 electric fence insulators are high quality, heavy duty screw-in plastic ring insulators (20).

£16.00
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4x Hotline Quick Release Corner Electro-Tape Insulators 4x Hotline Quick Release Corner Electro-Tape Insulators
Hotline
4x Hotline Quick Release Corner Electro-Tape Insulators

Hotline Quick Release Corner Electro-Tape Insulator.

£13.95
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250x Gallagher Screw-in Insulator Super - Black  - for Wooden Fence Posts 250x Gallagher Screw-in Insulator Super - Black  - for Wooden Fence Posts
Gallagher
250x Gallagher Screw-in Insulator Super - Black - for Wooden Fence Posts

Gallagher high quality screw-in insulator without metal core, therefore no short circuiting possible. Pack of 250. Easily screws into wooden fence posts.

£109.00 £103.50
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125x Gallagher Screw-in Insulator Small - Black 125x Gallagher Screw-in Insulator Small - Black
Gallagher
125x Gallagher Screw-in Insulator Small - Black

Gallagher solid high quality screw-in insulator without metal core, therefore no short circuiting possible. This is a large pack of 125 insulators.

£43.99 £42.00
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10x Tensioning and Corner S-insulators -  White 10x Tensioning and Corner S-insulators -  White
Pulsara
10x Tensioning and Corner S-insulators - White

- High quality white plastic from Pulsara
- Suitable as a corner and tension insulator
- Suitable for short semi-permanent fencing
- Manufactured from UV resistant polypropylene
- The high tensile force enables large distances and prevents loss of ten

£7.00
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30x Gallagher Roller Screw-in Insulator Easy2use 30x Gallagher Roller Screw-in Insulator Easy2use
Gallagher
30x Gallagher Roller Screw-in Insulator Easy2use

- Particularly easy to attach roller corner insulator
- Suitable for cord and stranded wire
- Made of UV-resistant plastic

£35.79 £34.00
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60x Gallagher Porcelain Corner Insulator - White 60x Gallagher Porcelain Corner Insulator - White
Gallagher
60x Gallagher Porcelain Corner Insulator - White

60x porcelain roll-corner insulator to strain the wires on the corner posts.

£61.99 £59.00
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5x Gallagher Top Mount Double End Ring Top Offset 80 cm Terra 5x Gallagher Top Mount Double End Ring Top Offset 80 cm Terra
Gallagher
5x Gallagher Top Mount Double End Ring Top Offset 80 cm Terra

With this double-sided offset insulator Ring Top, you can separate adjacent pastures and each fencing has its own current. It means the animals cannot get close. Terra colour.

£34.49 £33.00
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100x Hotline Adjustable Insulator (black) 100x Hotline Adjustable Insulator (black)
Hotline
100x Hotline Adjustable Insulator (black)

The P9 adjustable insulator is suitable for 10mm and 12mm metal fence posts such as our P3 Plain Metal Fence Post.

£65.25 £65.00
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25x Screw-in tape/wire/cord insulator 40mm 25x Screw-in tape/wire/cord insulator 40mm
Pulsara
25x Screw-in tape/wire/cord insulator 40mm

- For wooden posts
- Easy to use
- Suitable for wire, cord and tape of up to 40 mm

£15.00
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25x Gallagher Screw-in Insulator Small - Black 25x Gallagher Screw-in Insulator Small - Black
Gallagher
25x Gallagher Screw-in Insulator Small - Black

Gallagher solid high quality screw-in insulator without metal core, therefore no short circuiting possible. Perfect for attaching wire to wooden fence posts. Available in packs of 25, 100 and 250.

£9.00
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20x Hotline Screw-In Electro-Tape Insulators 20x Hotline Screw-In Electro-Tape Insulators
Hotline
20x Hotline Screw-In Electro-Tape Insulators

Hotline P45S Screw-In Tape Insulator for use with all tape widths up to 40mm or 6mm Electro-Rope.

£23.50
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100x Gallagher Strain Insulator Reinforced - Black 100x Gallagher Strain Insulator Reinforced - Black
Gallagher
100x Gallagher Strain Insulator Reinforced - Black

Suitable for short strains and semi-permanent short fences.

£194.99 £185.00
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5x S-insulator black with hook and eye bolt 5x S-insulator black with hook and eye bolt
Pulsara
5x S-insulator black with hook and eye bolt

- Suitable for short strains and semi-permanent short fences
- Made from UV resistant polypropylene plastic
- Large tracking distance minimises power leakage

£11.50
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25x Pulsara Ring-Insulators with Metal Core - for Wooden Posts 25x Pulsara Ring-Insulators with Metal Core - for Wooden Posts
Pulsara
25x Pulsara Ring-Insulators with Metal Core - for Wooden Posts

- Extra strong due to metal cores
- High-quality black plastic
- Suitable for wire and cord
- For wooden posts

£5.50
Including taxes, Excluding shipping
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Free UK delivery from £100
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Free UK delivery from £100

What to consider when buying electric fence insulators

At Electric Fence Online, we are proud to supply our customers with a wide range of electric fencing insulators - from electric fence wire insulators to electric fence insulators for pipes and more! Choosing the right insulators will be key to maximize the efficiency of your electric fencing system and meet the requirements of your grazing fields.

Changes of direction and the end of your fence create a need for specific insulators which provide better tension along the fence line. Here you would require end of fence line and corner insulators. However, if you need to keep stock away from fencing, or keep extra distance from hedges, electric fence offset brackets are a great solution. They are also great for keeping animals apart.

Unsure of the right insulators for your system? Speak to our experts today through our Help Center.

Types of Electric Fence Insulators

There are several types of electric fence insulators that are used to help contain and control livestock and animals. These include:

Screw-in electric fence insulators

These insulators are used to attach the fence wire to a wooden post and are designed to be screwed into the wood. They are typically made of plastic or ceramic and have a screw that holds the wire in place.

Line-post electric fence insulators

These insulators are used to attach the fence wire to a metal line post and are typically made of plastic or ceramic. They have a hole or slot that the wire is passed through and then held in place with a clip or screw.

Corner electric fence insulators

These insulators are used to help hold the fence wire in place at the corners of a fence. They are typically made of plastic or ceramic and have a hole or slot that the wire is passed through and then held in place with a clip or screw.

T-post electric fence insulators

These insulators are designed to be used with T-shaped metal posts and have a clip or screw that holds the wire in place.

Off-set electric fence insulators

These insulators are used to create an offset in the fence wire, allowing the wire to be moved away from the fence post to prevent animals from leaning on or rubbing against the wire. They are typically made of plastic or ceramic and have a hole or slot that the wire is passed through and then held in place with a clip or screw.

Do you need insulators for electric fence?

Yes, insulators are necessary for installing an electric fence. Insulators are used to attach and secure the electrified wire to the fence posts, preventing the current from escaping the wire and grounding out.

How to install electric fence insulators?

Here are the general steps for installing electric fence insulators:

  • Determine the type of insulators you need: There are different types of insulators for different types of electric fence wire (polywire, polyrope, high-tensile wire, etc.) and different types of electric fence posts (wooden fence posts, T-posts, metal fence posts, etc.).
  • Mark the location of the insulators: Determine the spacing for the insulators based on the type of wire you are using and the fence's purpose. For example, a pasture fence with high-tensile wire may need insulators every 12-16 feet, while a temporary fence with polywire may only need insulators every 5-10 feet.
  • Attach the insulators to the fence posts: Secure the insulators to the fence posts using screws, nails, or clips, depending on the type of insulators and fence posts you are using. Make sure the insulators are firmly attached and won't come loose over time.
  • Thread the electric fence wire through the insulators: Thread the wire through the insulators, making sure it is held securely and won't slip out. Make sure the wire is not touching the fence posts or anything that could ground it out.
  • Connect the electric fence energiser: Once you have installed the insulators and wire, connect the electric fence charger to the wire and turn on the power. Test the fence to make sure it is working correctly with an electric fence tester.

How far apart should electric fence insulators be?

The distance between insulators will vary depending on the type of electric fence wire being used. As a general rule, insulators should be spaced about 10-12 feet apart for high-tensile wire, 5-10 feet apart for polywire and polyrope, and 1-2 feet apart for low-tensile wire.

Does electric fence need insulators?

In summary, electric fences require insulators to keep the current flowing through the wire and prevent the current from escaping to the ground or other conductive materials. Insulators should be chosen based on the type of fence wire and fence posts being used, and spacing should be determined based on the wire type and fence purpose.

What makes the XDI electric fence insulator so remarkable?

The XDI electric fence insulator stands out as a truly exceptional product due to its innovative features and cutting-edge technology. One of its standout qualities is its remarkable strength, achieved through the implementation of new advancements. The inclusion of a sturdy metal core adds robustness and durability to the insulator, ensuring long-lasting performance even under challenging conditions.

Furthermore, the XDI insulator boasts a new design that significantly minimizes the risk of short circuits. This enhanced design provides a reliable and secure insulation solution, virtually eliminating the possibility of unwanted electrical interference or disruptions along the fence line.

To further enhance its practicality, the XDI insulator incorporates an orange PVC component. This serves as a wear indicator, offering a visual cue to monitor the condition of the insulator. By easily identifying signs of wear or damage, users can promptly address any issues and ensure the ongoing effectiveness of the electric fence system.

What sets apart ordinary fixing wires from plasticised clips for electric fence insulators?

When it comes to securing your electric fence wire, there are notable distinctions between ordinary fixing wires and plasticised clips. The key difference lies in their functionality and application.

Ordinary fixing wires are commonly used to fasten the electric fence wire to various support structures. They provide a reliable means of attachment, ensuring the wire remains securely in place. These wires are typically made of metal and offer a sturdy solution for affixing the electric fence wire to posts or other fixtures.

On the other hand, plasticised clips offer a specialized feature. They are specifically designed to facilitate the attachment of cord, such as rope or tape, to ecoposts or insultimber posts. These clips are made from a plastic material that provides flexibility and durability while securely holding the cord in place.

By utilizing plasticised clips, you can easily and securely connect cord-based electric fence components to the designated posts. This offers convenience and versatility in constructing and maintaining your electric fence system.

What sets apart a normal electric fence insulator from a corner insulator?

When it comes to electric fence installations, there are notable differences between a normal insulator and a corner insulator. The key distinction lies in their specific functions and capabilities.

A normal electric fence insulator is designed for regular sections of the fence line, where there is no change in direction or angle. It provides reliable support and insulation for the electric fence wire, ensuring it stays in place and effectively carries the electric current.

On the other hand, a corner insulator is specially engineered to withstand additional force and tension that occurs at corners or bends in the fence line. As the name suggests, it is utilized precisely at these points to offer superior strength and stability. The corner insulator is built to endure the increased strain and pressure that can be exerted on the fence wire due to changes in direction. It provides enhanced resistance and reinforcement to maintain the structural integrity of the electric fence, ensuring it remains secure and effective.

By using corner insulators at the appropriate points along your electric fence corners, you can ensure optimal support and longevity, even in areas where the fence wire experiences greater tension.

What distinguishes a PowerLine insulator from a TurboLine insulator?

When it comes to electric fence insulators, there are notable differences between the PowerLine and TurboLine options. The key factor that sets them apart is the quality and performance they offer.

The TurboLine insulator stands out as a premium choice, providing an even higher level of quality and durability. Built with advanced materials and design, the TurboLine insulator offers superior strength and reliability, ensuring long-lasting performance for your electric fence system. It is specifically engineered to withstand various environmental conditions and challenges, delivering optimal insulation and support for the electric fence wire.

On the other hand, the PowerLine insulator also provides reliable functionality and insulation for your electric fence. While it offers a good level of quality, the TurboLine insulator surpasses it in terms of overall performance and durability.

By opting for the TurboLine insulator, you can enjoy the assurance of exceptional quality and extended lifespan for your electric fence installation. Its robust construction and advanced features make it a top choice for those seeking the highest level of reliability and performance.

What are the benefits of the innovative TurboLine horse insulator?

The TurboLine horse insulator offers several advantages that make it a standout choice for electric fence installations designed for horses. Let's explore its key features:

  1. Soft Cushions and Patented System: The TurboLine horse insulator features soft cushions that securely hold the tape between two rubber parts, utilizing a patented system. This unique design ensures a firm grip on the tape, preventing slippage and minimizing wear and tear. The tape can be effortlessly fixed in place with just one click, providing convenience and ease of use.

  2. Enhanced Durability: With the TurboLine horse insulator, you can expect exceptional longevity. Its robust construction and high-quality materials guarantee a long lifespan, ensuring reliable performance over time. This durability factor contributes to cost-effectiveness and reduces the need for frequent replacements.

  3. Additional Tightening Option: For added security, the TurboLine horse insulator offers the option to use an additional screw to tighten the insulator even further. This feature enables you to achieve maximum stability and ensures that the tape remains securely fastened, providing a reliable enclosure for your horses.

By choosing the TurboLine horse insulator, you can enjoy the benefits of its innovative design, including the soft cushioning system, quick tape fixation, guaranteed long life, and the option for extra tightening. These advantages make the TurboLine horse insulator an excellent choice for your horse electric fence needs.