The Basic principle is to achieve a balance between the different components of an electric fence. For instance, using a powerful fencer with a low conductivity wire, which has been badly installed and not maintained, will give poor results and unsatisfactory service.



The Energiser
The heart of the system! There are many models available depending on the power supply and output required, the fence length, and the type of animal to be contained or excluded.

Mains Fencer 230V : these are best for large areas where a permanent fence is required. They will also, when earthed correctly, burn off any vegetation. An example of a large mains fence would be the FORCEFIELD MX9 with built-in 7-light Voltage Level Indicator and audible Low Voltage Alarm.

Dry Battery 9V : these are best for short or temporary fences where portability and flexibility are the main considerations (B20, B30 or B50).

Wet Battery 12V : these allow you to use rechargeable batteries and facilitate a more powerful battery powered energiser (B12 for strip-grazing, BM140 for bigger applications)

Insulators
Good quality and correct selection is essential to ensure the efficiency of the fence. The choice depends on the type of posts, wire or tape being used. Your dealer will assist you in making the correct choice.

Posts
If a permanent fence is planned, chemically treated softwood posts with insulators, or non-conductive hardwood posts are ideal. Steel, Fibreglass or plastic posts can be a viable alternative.
If it is a temporary fence for strip grazing, plastic posts offer portability and ease of construction.

Conductors
These come in a variety of forms from high tensile or stranded steel, aluminium poly wires, plastic tape or rope; each appropriate to specific applications.
Plastic based products should be treated for UV exposure and be strong in tension.

Woven or twisted wires provide durability and strength .The electric conductive part is made from stainless steel for mechanical strength and is used mainly for temporary fences where it can be rewound easily for moving without causing too much wear and tear.

Tinned copper gives excellent conductivity for large area or permanent fencing. The copper wire is far less durable than stainless steel however, and while being a better conductor will stand up to less wear and tear.

Careful consideration of the numerous products available is most important when making the appropriate choice for a particular situation/application.