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    Non-Conductive Fences


    What is a non-conductive fence?


    Like all high security fencing, a non-conductive fence demarks a boundary that is restricted as well as prevents or delays intrusion of that perimeter. However, most importantly, non-conductive fencing serves a very specialized purpose – protecting against electrical dangers like current leakage or flashover voltage or interference patterns that can adversely affect radar function.


    What materials are used to make non-conductive fences?


    Fiberglass composites or fiberglass-reinforced polymers are typically used to manufacture non-conductive security fences.


    What locations use non-conductive fences?


    Because non-conductive fencing is excellent at protecting against current leakage and flashover voltage, it is often used to secure the perimeter around power plants and electrical substations.  Flashover voltage occurs when a dangerously high electrical current is discharged, endangering or even killing personnel and damaging equipment in close proximity. Protogetic recommends consulting with experts to make sure your fencing adheres to the grounding standards of the Institute of Electrical and Electronic Engineers (IEEE).


    Why do airports use non-conductive fences?


    Metal fencing is known to interfere with and reflect active radar. Since it is non-metallic, a non-conductive fence does not create interference patterns that disrupt an airport’s or airliner’s radar and instruments.


    How are non-conductive fences rated?


    One of the most commonly used standards is Unified Facilities Criteria -- UFC 4-022-03. Non-conductive fences that also protect against forced entry or gunfire are tested and rated by ASTM F2781 -- Standard Practice for Testing Forced Entry, Ballistic and Low Impact Resistance of Security Fence Systems.


    Can non-conductive fences also protect against other security threats?


    Yes. Non-conductive fences can also be anti-climb/climb resistant as well as anti-cut/penetration resistant or ballistic resistant. Depending on the project and threat/risk level, these are important considerations, especially with data showing increased attacks on the electrical grid and vulnerable substations.


    Are there impenetrable fences?


    The short answer is No. It is vitally important to remember that given enough time, attacking personnel and breaching tools, all fences can be breached. This must be kept squarely in mind when designing and implementing a perimeter security strategy. A non-conductive fence’s primary purpose is to protect personnel and infrastructure from dangerous or possibly fatal electrical discharge or interference. Its secondary goal, common to virtually all fences, is to create an imposing barrier & psychological presence that delays or deters attacks.


    What is intrusion detection?

    Intrusion detection is equipment specifically designed to surveil, guard and alert security personnel to breaches of the perimeter. They are often used with non-conductive fencing. These products include:


    • Infrared and thermal cameras
    • Security lighting
    • Silent alarms
    • Motion detectors


    What other security options are available for high non-conductive fencing?


    In addition to threat-specific fence types, there are numerous security options available that can be added to a non-conductive fence. If the non-conductive fencing is being installed at an electric supply station, all metallic elements must be properly grounded and in compliance with the National Electrical Code Safety Committee standards. These would include metallic security components such as:


    • Caution signs
    • Flood lights
    • Alarm systems
    • Spike toppers
    • Concertina razor wire
    • Barbed wire


    What is a ballistic shield?


    Ballistic shields are engineered to protect people and equipment inside the secured perimeter from gunfire. These panels are made of resin composites and laminated fiberglass. The ballistic projectile initiates a process of energy-absorbing delamination. Protogetic advises you to discuss installation of ballistic shields with security experts and engineers as well as the fence and shield manufacturer.


    Which non-conductive fence is best?


    This depends entirely on your project and numerous factors like location, function, threat assessment and budget. There is no one-size-fits-all high security or non-conductive fence. This is why it is vitally important to determine your threat risk.


    How much do non-conductive fences cost?

    Suffice it to say, non-conductive fencing is a lot more expensive than run of the mill residential fencing. For exact pricing, you can contact fence manufacturers directly using’s free, no-obligation “GET A QUOTE” button located on every product page. You can also instantly download specifications, technical drawings and ratings certifications (where applicable). If you still have product questions, you can use the “CONTACT MANUFACTURER” button and direct message the manufacturer’s sales representative.  When it comes to finding the exact non-conductive fencing, high security gates, and anti-ram vehicle barriers nothing could be easier. Shop for high security non-conductive fences now!