Electric Fence Insulators

When looking for electric fence insulators, there are a lot of variables. You need an insulator that matches your wire type as well as your fence post style. Zareba® understands that need, and offers a broad selection of electric fence insulators for use on a wide variety of fence post styles. If you're on the hunt for electric fence insulators, Zareba® offers multiple options, including porcelain insulators, t-post insulators, plastic insulators, corner insulators, tube insulators, chain-link fence insulators, u-post insulators and square insulators. These high-quality pieces include a 30-day return policy.
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  1. $12.99
    • 10 per bag
    • 19.5" long
    • For tying off electric fence wire at end posts and gate posts
    • Made of non-conductive polyethylene
    • Has an aluminum insert for strength
    • Service Experts Available To Answer Your Installation Questions
    Buy this item in Canada »
  2. 3 Color Options
    Zareba® T-Post Safety Cap & Insulators
    Starting at $8.99
    • 3 Color options - black, white, or yellow
    • Accommodates any gauge wire
    • T-post safety cap and insulator for 1.25 and 1.33 T-posts
    • Protects animals from sharp-edged T-post tops
    • 10 insulators per bag
    • Service Experts Available To Answer Your Installation Questions
  3. $15.99
    • 200 per package
    • Extra thick walls prevent voltage loss
    • Designed for use with steel wire
    • For wood posts: Secure insulator with 2 inch barbed staple (staples not included)
    • Made of durable, non-conducting UV-stabilized polyethylene
    • Service Experts Available To Answer Your Installation Questions
    Buy this item in Canada »
  4. $5.99
    • Fits securely on standard (1.25 or 1.33) studded T-post
    • One molded piece - needs no hardware
    • 25 insulators per bag (Black)
    • Service Experts Available To Answer Your Installation Questions
    Buy this item in Canada »
  5. 2 Color Options
    Zareba® 5 Inch Snap-On Reversed Insulators
    Starting at $10.99
    • 2 Color options - black or yellow
    • Snap-on reversed insulators
    • Extends wire 5 inches from post
    • Fits securely on standard (1.25 or 1.33) studded T-post
    • No hardware needed
    • 25 insulators per bag
    • Service Experts Available To Answer Your Installation Questions
  6. $7.99
    • Polytape T-post corner insulator and tensioner for standard T-Posts (1.25 and 1.33 T-posts)
    • For all polytape widths up to 2 inches
    • Use at corners, ends, or T junctions
    • 1 connector per order
    • Service Experts Available To Answer Your Installation Questions
    Buy this item in Canada »
  7. 3 Color Options
    Zareba® Donut Corner Insulators
    Starting at $6.99
    • Three color options - Black, White, Yellow
    • Fastens electrified wire to round or square post fence without losing energy through the post
    • Made for high-tensile, permanent or temporary electric fences
    • Withstands the strain of wire at corner or ends of electrified fences
    • 10 insulators per bag
    • Service Experts Available To Answer Your Installation Questions
  8. 2 Color Options
    Zareba® Snap-On 5 Inch Extension Insulators
    Starting at $10.99
    • 2 Color options - black and yellow
    • Fits securely on standard (1.25 or 1.33) studded T-post
    • Extends wire 5 inches from post
    • Snap-on insulators
    • 25 insulators per bag
    • Service Experts Available To Answer Your Installation Questions
  9. $9.99
    • Tightly fastens electrified wire to wood, metal and T-posts (1.25 or 1.33 T-posts)
    • For 9 gauge through 22 gauge high-tensile steel wire and aluminum wire, all polywire (both regular and, and polyrope up to ¼ inch in diameter
    • Molded pin holds wire tightly
    • 25 insulators per bag (Black)
    • Nails are not included
    • Service Experts Available To Answer Your Installation Questions
    Buy this item in Canada »
  10. $11.99
    • Adjustable to fit 1-⅝ - 1-¾ inch diameter horizontal tubes
    • For use with polywire, polyrope and steel or aluminum wire
    • Unique ratchet lock prevents slippage
    • 10 insulators per bag (Black)
    • Service Experts Available To Answer Your Installation Questions
  11. $7.99
    • Fits all posts ½ inch in diameter or smaller
    • Completely arc-proof
    • Screw-on insulators
    • 25 insulators per bag (Black)
    • Service Experts Available To Answer Your Installation Questions
  12. 3 Color Options
    Zareba® T-Post Poly Tape Insulators
    Starting at $10.99
    • 3 Color options - black, white or yellow
    • Fits 1.25 and 1.33 T-posts
    • For use with ½", 1", and 2" polytape
    • Includes a tape holder which unlocks for easy installation
    • Keeps polytape from moving on the T-post
    • 25 insulators per bag
    • Service Experts Available To Answer Your Installation Questions
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Types of Electric Fence Insulators

Porcelain Insulators

Porcelain insulators are made to handle any size fence wire from wire to polywire and polyrope. Zareba porcelain insulators come in several sizes and varieties.

Slightly heavier than other insulators, porcelain insulators are constructed of clay, quartz and feldspar.

When properly installed, porcelain insulators will last a lifetime. However, due to the materials they are made from, they break more easily and are generally more expensive than other insulator types.

T-Post Insulators

Constructed of plastic, T-Post insulators are designed "snap-on" to metal T-Posts. The simple design makes installation quick and easy.

Zareba, Red Snap'r, and Fi-Shock feature an assortment of T-Post insulators in varied sizes for wire, polywire, polyrope, and polytape fencing.

T-Post cap insulators can be placed over T-Post tops to provide maximum protection from injury for horses, show cattle, and other livestock.

Plastic Insulators

Plastic insulators are constructed form polyethylene, polycarbonate, or nylon. They designed to hold electrified wire and fit many different post types.

Zareba, Fi-Shock, and Red Snap'r manufacture a variety of plastic insulators to fit round, wood, corner, and end posts, as well as T-posts and chain link fence.

Our plastic insulators are molded from heavy-duty, high density polyethylene and other hard plastics and feature UV inhibitors to prevent arcing and ensure all-weather performance and longevity. Plastic insulators are available in yellow, black, and white.

Corner Insulators

Corner insulators are designed for use on corner posts of the fence line and are capable of withstanding tension generated by the fence line pulling from anchor points or changing directions.

Available in plastic or ceramic, Zareba, Red Snap'r, and Fi-Shock corner insulators are compatible with steel wire, polywire, polytape, and polyrope.

A corner insulator should be used at all fence line termination points.

Tube Insulators

Zareba tube insulators are made of durable, non-conducting UV-stabilized polyethylene plastic. These insulators are designed to be used with steel wire high-tensile fencing.

The extra thick plastic walls of Zareba tube insulators help to prevent voltage loss.

To attach tube insulators to a wood post, secure the insulator with a 2-inch barbed staple (not included).

Chain–Link Fence Insulators

Chain link insulators allow for electric wire to be fastened to chain-link fencing. Zareba and Red Snap'r chain link insulators are available in both metal and plastic versions.

The design of our chain link insulators extends electric wire four to six inches from the chain link fence and helps to prevent energy loss.

U-Post Insulators

U-Post insulators are made to fit the "U" shape found on U-Posts which are commonly made of paint-coated steel with a stabilizing plate-footer.

In addition to U-Posts, Zareba U-Post insulators will fit round or square posts and chain link fence.

Square Insulators

Square insulators are named for their square shape and are designed to nail or screw into wood posts.

Many types of square insulators exist to accommodate a variety of fence types including wire, high-tensile, polywire, polyrope, and polytape.

To prevent arcing, square insulators commonly feature a large shield.

Fence Insulator Installation Tips

When choosing insulators for your fence, match the insulator to both the wire type and post type being used.

If using a low impedance fence charger, insulators with greater arcing protection should be used to prevent current from jumping to the fence post.

Plastic insulators will work with all types of wire. Some plastic insulators are also designed to handle high tension.

Porcelain insulators tend to break easily, but if installed properly can last a lifetime. They can be used with all wire types, but not polytape.

Corner insulators should be used at corner and end posts as they are capable of withstanding the added tension these areas receive.

Keep insulators clean and free from dirt, dust, and cobwebs.

 

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