Zareba® Corner Post Porcelain Insulator Pack of 10

Model #: WP6

2 reviews
0 5 5

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  • Pack of 10
  • 1-1/4 inch diameter
  • Designed for use with wood posts
  • Can be used with all fence wire, poly wire, poly rope and 1/2 inch poly tape
  • Individually hand inspected
  • Service Experts Available To Answer Your Installation Questions

Zareba® Corner Post Porcelain Insulators 10 Pack

Insulators allow you to fasten electrified wire to wood posts without losing energy through the post.

Our Zareba® Corner Post Porcelain Insulators Pack of 10 with Washers can be used with fence wire, poly wire, poly rope and 1/2 inch poly tape. This should not be used with high tensile. They have a diameter of 1-1/4 inch. These insulators are durable and dependable with superior insulating performance. Pack of 10.


Not for use with high tensile fences.

Zareba® is the largest manufacturer of electric fence systems offering durable, reliable electric fence products for all of your animal fencing needs.


Zareba® Corner Post Porcelain Insulator Pack of 10 - Specifications

  • Use to attach electrified wire to post without losing energy through the post
  • 1-1/4 inch diameter
  • Designed for use with wood posts
  • Can be used with all fence wire, poly wire, poly rope and 1/2 inch poly tape
  • Durable and dependable
  • Superior insulating performance
  • Individually hand inspected
  • Pack of 10

Disclaimer: does not endorse any information contained in product reviews. Please follow all label instructions for your specific use.

Most Recent Customer Reviews

Review Rate
Review posted on
October 12, 2017
Porcelain insulators can be used for more than fences. By janh

I also have an unusual use for the porcelain insulators. I use them as weights for my weaving. Several types of weaving have threads need weights when on the loom. The insulators are a good weight and a compact size. Many thanks.

Review Rate
Review posted on
August 17, 2016
Great bobbins for tablet weaving By Twillweaver
I use these for a warp weighted loom for tablet weaving. They are much less expensive than purchasing tama (weights for kumihimo) and work well. Their weights are not precise, and vary about 8 grams or so, but these work fine. The added bonus is that you can wind up excess warp on the bobbin part.
Read All Reviews (2) Write a Review
Q.Hi again! I forgot to ask for the center whole diameter of the 1 1/4" ceramic corner post insulator as well as he 1 3/4". Please advise. Tim

The diameter of model WP36 is 1 inch and WP6 is a half inch. The inch in the name is related to the size in height of the item.

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All About

All About Insulators

Insulators prevent electrical shorts between the electrified wire and the fence posts. Good-quality insulators are critical to a properly functioning fence. Insulators are made from materials that do not conduct electricity, most commonly plastic or ceramic.


Plastic insulators are molded from polyethylene, polycarbonate, or nylon and are designed to hold electrified wire near a variety of posts without losing energy through the post.

There are several styles to choose from because the insulator must match both the type of wire and the type of fence post being used. Plastic insulators include round post insulators, T-post insulators, wood post insulators, corner post insulators, end post insulators, and chain link fence insulators.

Make sure the plastic insulator you choose is molded from heavy-duty, high-density polyethylene (or harder plastic) with UV inhibitors. This prevents arcing and provides long life with all-weather performance, protecting it from the weather. Most insulators are available in yellow, black and white.



Like plastic insulators, porcelain insulators are designed to hold electrified wire near fence posts without losing energy through the post.

When good porcelain insulators are properly installed they should be able to last the life of your fence.

Porcelain insulators are a very good choice for using with your high tensile fence system.



There are specialized insulators that are used for specific purposes. These can be summarized as follows:

Tube Insulators

  • The tube clamp insulator attaches to standard tube-type stock to corral panels.

Corner Insulators

  • Corner post insulators are designed to withstand fence line tension generated by the fence line pulling from the anchor point or changing directions.
  • Corner insulators should also be used at fence line termination points.
  • Corner post insulators are available in plastic and ceramic and accommodate steel wire, poly wire, poly tape and poly rope.

Specialty Insulators

  • Other insulators allow you to fasten electrified wire or poly products to posts and fences without losing energy through the post or fence.
  • There are many specialty insulators to choose from:
    • Chain Link
    • Tube
    • Corner
    • U-Post
    • Square Post

Expert Tips

Insulators come in many styles to accommodate a wide variety of post and wire types. Choose the correct type of insulator for the type of post and wire you've selected.

If you're using a low impedance fence charger, use an insulator with greater arcing protection, which will prevent the current from jumping to the fence post.

Porcelain insulators may be more expensive than plastic insulators, but they are designed to last a long, long time, usually the lifetime of your fence!

Plastic insulators can be used with all types of wire (and high tension if it is designated for it), while porcelain insulators can be used with all wires except for poly tape.

Corner posts and end posts have to withstand greater tension than other posts along the fence line. Therefore, use insulators at these areas that are designed to withstand the extra stress.

In addition, keep insulators free from dirt, dust and cobwebs.


FAQs About Insulators

Q: Do I need insulators for my electric fence system?

A: Insulators allow you to fasten electric wires near the posts without losing energy through the posts and potentially shorting out your system, so yes, definitely use insulators to maintain the current throughout your fence line.


Q: Which type of insulator should I use?

A: There are several factors to consider when determining which type of insulator you want for your electric fence system. These factors include the type of fence post you will be using, and the type of wire you will be using. For corners and end posts you will need to know how much tension you plan to have on the wire.


Q: Is a porcelain insulator better than a plastic insulator?

A: Porcelain insulators are used with high tensile fences as well as standard electric fences. They will last the life time of the fence and add a nice look to the fence. Their only drawback is their initial cost: Porcelain insulators usually cost more than plastic insulators.

Insulators made from plastic are generally used for standard electric fences only, although there are some designed for use with a high tensile fence.

More Insulator FAQs»

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