Electrical fences are slowly becoming the dominant type of fencing among many farmers today. This is because they cost less compared to the barbed wires which were more dominant in the former years. The electric fences require little time to install and can be pulled down easily and quickly to be re-installed somewhere else. These fences act as barriers to both unauthorized persons and livestock.
These electric fences have two terminals one connected to the fence and the other one to the earth. The voltage of these fences is usually of low amperes. When one crosses the electrical path there is an electrical shock that deters them from crossing the path again.
The selection of the appropriate power systems to be used for electrical fences should be done effectively depending on the purpose of the installation. The purpose of the installation could be either security or for the management of grazing lands. Other factors to consider while choosing an appropriate power system may include the ease of maintenance of the system and the reliability of the suppliers of the fence systems.
These electric fence systems should be insulated. Insulation ensures that energy is discharged to any person or animal that comes into contact with the fence when the circuit is closed. The larger the surface area of the posts required, the larger the number of insulators required. Below are factors to consider when putting up the electric fences:
The wire strands should always be parallel to each other.
The distance between the strands should be small such that it does not allow an intruder to go through the fence once shocked.
The voltage of the fences should be adjusted according to the nature of the intruders.
The durability of these fences makes it one of the safest types of fencing to use. A well-maintained fence system can last for a considerable amount of time usually for over 20 years. The fence posts however can be made from wood, steel, plastic, or fiberglass. Wood posts are often combined with other types of posts to cut the installation costs.
Maintenance of these electric fences is ensured by controlling vegetation growth along these fence lines. Overgrowth of vegetation weakens the electric current flow thus rendering the fence system ineffective. It is advisable to occasionally trim overgrown vegetation to ensure consistent effectiveness of the system.
These fences are often powered by either electrical charge from electricity or solar batteries. The solar-powered ones are however not as powerful as the electric-powered electric fences. Bracing of the posts should be done strongly to ensure that the posts are tightened for safety and appealing appearances. Electrical fences are the best when it comes to marking territories as they do not allow anyone to trespass through them.
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