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Emergency Coastal: 086 12 12 301
Emergency Inland: 086 12 12 401 and 011 697 7000

Perimeter security – are you covered?

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Wall-top electric fencing has become a common sight in South Africa as a first line of perimeter security. But many people may not be getting the greatest benefit possible from their fencing.

Agnieszka Gryn, General Manager at Fidelity ADT’s Inland region says that “the effectiveness of these fences can be compromised if the wrong fence is selected and the installation done incorrectly.”

For instance, there are general errors that residents should be aware of: certain aspects – including the wiring and structure of the electric fence, the height, number of zones required, and the lifespan of the fence – have to be considered, but are often overlooked.

Let’s look at each of these in a little more detail.


The structure of the fence is determined by the height, quality and width of the wall. Some walls might therefore provide a challenge when installing the electric fencing. The ideal wall should be more than two metres high and consist of a double row of bricks.

Residents also need to be aware that adding aesthetically pleasing plinths and corners to a wall with elaborate pillars makes it yet more of a challenge to plan and install an electric fence correctly.

The right installer

Good structure is useless, however, without the right person to put it together.

Fidelity ADT believes that choosing the correct installer is crucial, which is why we highly recommend getting several quotes before choosing an installer. You should consider getting a qualified consultant to write a technical specification for the fence.

This specification should take into account all relevant factors. The specification should then be sent to electric fence installers operating in the area in order to compare pricing, quality and advice.

Any installer considered for the job must be registered to issue a Certificate of Compliance. It is recommended that you check all references and look at some of their recent installations before contracting them to install your electric fence.

“In many cases where a criminal has managed to enter over, or through, an electric fence, it is mainly due to some defect in the planning of the fence.” Agnieszka Gryn says.

While, realistically, most electric fences can be bypassed and penetrated by a knowledgeable intruder, it is possible to design a fence that will be a deterrent and an intrusion detector.

That said, an electric fence should also be seen as the first layer of defence and not the entire security solution for your property. Bear in mind that the electric fence should be an aid to existing security equipment or personnel.

Other perimeter security tips include:

  • Gates – make sure that your gate opens and closes as quickly as possible. This means less time sitting in your driveway or the road where you are a vulnerable target to hijackers. Also ensure that the motor has a locked box covering it to stop any attempts at tampering.
  • Bushes and trees – make sure that bushes and trees on your property are checked regularly to ensure they are not affecting your perimeter security. Branches should be cut back to prevent blocking or impeding the effective functioning of your perimeter security, or where they may be used to climb into and access your property.
  • Beams – make sure that beams are installed correctly and at the most optimal angle to increase their range and effectiveness. It is also important to make sure that these beams are not obscured by shrubbery, or near reflective surfaces to prevent excessive false alarm activations.
  • Servicing your entire security system – It is very important that you have your security system serviced on a regular basis. Fidelity ADT recommends that you have your alarm serviced at least once a year, and that you test your security system at least once a month.




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