On 02/14/2011 06:01 PM, RHF wrote:

-where-as-these-
Low-cost Plastic Egg Insulators in a Bag of 10
only Cost around 60 Cents a piece.
http://www.radio-ware.com/products/pegg.htm
* Designed for the intended application
* Mechanical Strain Relief for both the Wire and Rope
* Plus Lower Cost )

It says they are made for electric fences. You have to buy 10 at a time.