An electric fence installation is certainly a preferred means of deterrent for sensitive government installations, such as military installations, prisons, air fields and so on.
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30 years later, there's been a growth of many an electric fence installation as a general measure of security in South African suburbs and game farms, independent of the traditional implementation of such fences. South Africa has been raked with aggressive robberies and car hijackings during the past 20 years and started to protect their homes and bodies in all manners. Whereas the initial installations might have had four strands of electrified fencing, fitters are recommending the use of eight or nine strands today, as criminals have become aux fait in how to scale lower fences. An electric fence installation used in a domestic environment used emits high voltage charges at reduced amperage. Such fences are thus designed to provide an uncomfortable shock without being lethal although clearly such fences could be wired to be deadly should the need arise e.g. the protection of military installations. The electrical shock is provided through the employment of a power energizer that produces a high voltage pulse every second or so, which can also be modified. As an intruder breaks the electrical circuit by earthling the circuit, a shock occurs as a discouraging factor. Alarm systems are often linked with an electric fence, thereby providing an alarm if the circuit having been cracked or a wire having been cut. Such a characteristic, along with a high fence, makes the technique almost fool proof.
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An electric fence installation may also be solar powered which makes them perfect in farm protection, especially game farms. Because the perimeter fencing of farms can be extremely long, power repeaters are installed down the fence, plus a monitoring system that will indicate the position of any break. In earlier days electric fences were utilised to stop game from busting out of enclosures, while the use of such fences, nowadays, are used mainly to keep unsanctioned people out of game enclosures. Similar to the case of domestic systems alarms could also be used in game fencing providing a further deterrent to poachers. While there are DIY kits in the marketplace, it is strongly suggested that an electric fence installation be undertaken by a professional installer. A very important aspect of the building of such fences is the matter of proper grounding of the system and the utilization of appropriate poles along with other hardware items. From 1 October 2012, companies will have to issue a certificate of compliance regarding an electric fence installation, similar to what electricians are at the mercy of, forcing the issue of specialist installation.
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While the constructing of a high wall and an electric fence installation cannot be referred to as being attractive in any respect, it has in many parts of our country become necessary. Even rural areas are stricken by these unnatural installations as farm homesteads and other infrastructure need to be guarded, not so much against thieves, but murderers in many instances. The periods of a peaceful rural setting with only farm fencing to demarcate land and keep animals from straying seems to be gone forever.
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