Do You Need a Lightning Arrestor With an Electric Fence?

When it comes to safeguarding your electric fence from the unpredictable wrath of lightning strikes, being proactive is the key to preserving your fence charger and ensuring it’s longevity. With the capriciousness of nature's elements, it’s crucial to implement necessary measures that shield your charger from potential damage caused by lightning. By installing indispensable equipment such as lightning arrestors, lightning diverters, and surge protectors, you can effectively isolate your charger, effectively discharge or absorb lightning, and provide a robust defense against the destructive forces of nature. Let's delve into the intricacies of this topic and explore the significance of these protective devices in preserving the integrity of your electric fence system against the formidable power of lightning strikes.

How Does an Electric Fence Lightning Arrestor Work?

An electric fence lightning arrestor serves as a crucial component in protecting your electric fence system from the damaging effects of lightning strikes. This device operates by diverting the immense electrical energy generated by a lightning strike away from your electric fence and into the ground. By doing so, it ensures that the surge of electricity doesn’t damage your fencing equipment or pose a safety hazard.

Once the electricity arcs across this gap, it’s then channeled towards the earth through a dedicated ground rod. This grounding mechanism effectively dissipates the electrical energy into the ground, preventing any damage to the fence or any connected equipment.

Hence, having a lightning arrestor installed acts as a precautionary measure against the indirect effects of lightning strikes as well.

How to Choose the Right Lightning Arrestor for Your Electric Fence System

  • Consider the type and voltage of your electric fence system.
  • Evaluate the frequency of lightning strikes in your area.
  • Look for lightning arrestors specifically designed for electric fences.
  • Check the maximum discharge voltage rating of the lightning arrestor.
  • Ensure that the lightning arrestor can handle the expected energy level.
  • Consider the installation process and whether professional help is required.
  • Compare the warranties and customer reviews of different lightning arrestor brands.
  • Take into account the cost and your budget for the lightning arrestor.
  • Consult with experts or electricians for recommendations based on your specific needs.
  • Follow the manufacturer’s instructions for proper installation and maintenance.

To safeguard your electric fence against the unpredictable force of lightning, installing a lightning arrester is crucial. Placed between the fence and the controller, it provides a reliable defense mechanism. For optimal protection, consider positioning one arrester on every corner of the fence. It’s essential to keep these devices at a minimum distance of 50 feet from the energizer. Additionally, integrating a Storm Guard into your charger of 1 joule or higher will further absorb any potentially hazardous lightning strikes that may surpass the other protective measures.

How Do I Protect My Electric Fence From Lightning?

If you’ve an electric fence and want to protect it from lightning, there are a few steps you can take. One effective way to do this is by installing a lightning arrester between the fence and the controller. This device is designed to divert any lightning strikes away from your fence, preventing damage to the system and any potential harm to the animals enclosed.

By having multiple arresters, you increase the level of protection and minimize the risk of damage.

When installing these devices, it’s crucial to keep them at least 50 feet away from the energizer. This distance helps prevent any interference or malfunction that might occur if they’re installed too close to each other. By maintaining an appropriate distance, you enhance the efficiency of the lightning arresters and ensure they fulfill their function effectively.

In addition to lightning arresters, you can also consider adding a Storm Guard to your 1 joule or higher charger. This device acts as an extra layer of protection by absorbing any lightning that may bypass the other lightning protection measures. The Storm Guard helps to dissipate the energy from lightning strikes, further safeguarding your electric fence system.

Common Issues With Electric Fences During Lightning Storms: Discussing Potential Problems That May Occur During Lightning Storms and Offering Solutions to Prevent Damage.

  • Surges in power that can damage the electric fence system.
  • Lightning strikes directly hitting the fence wires, causing them to melt or break.
  • Indirect lightning strikes nearby that induce high voltage currents in the fence wires.
  • Inadequate grounding leading to an ineffective path for lightning to dissipate.
  • Corrosion of fence components due to increased moisture during thunderstorms.
  • Overloaded energizer units that may fail during a lightning storm.

Solutions to prevent damage include:

  • Installing lightning arrestors or surge protectors to divert excess voltage.
  • Ensuring proper grounding of the electric fence system.
  • Using heavy-duty fence wires or lightning-resistant materials.
  • Regularly inspecting and maintaining the fence for any signs of damage or corrosion.
  • Disconnecting the energizer during severe lightning storms.

Source: Lightning & Electric Fences: Protect Your Animals & Property

However, it’s important to note that surge protectors may not always be capable of preventing lightning damage in every scenario. Lightning can potentially bypass a surge protector by striking the gutter or roof line and then “jumping” to a nearby cable, allowing it to travel through your home without being intercepted by the surge protector. In such cases, it’s crucial to ensure that your equipment is plugged into a point of use surge protector, as it can effectively block the surge and protect your devices.

Can Lightning Bypass a Surge Protector?

When it comes to protecting your electronic equipment from lightning strikes, a surge protector is an essential tool. However, it’s important to understand that a surge protector doesn’t provide 100% protection against lightning.

One such scenario is when lightning strikes the gutter or roof line of your home. In this case, the lightning can potentially “jump” to a nearby cable and travel through your home, completely bypassing the surge protector. This can happen if the lightning strike creates a powerful surge that overwhelms the surge protectors capacity to block it.

A point-of-use surge protector is connected directly to the outlet where your equipment is plugged in.

The best way to ensure the safety of your electronic devices during a thunderstorm is to disconnect them from the power source or unplug them completely. This reduces the chances of lightning finding it’s way into your equipment through the electrical system.

A lightning protector plays a crucial role in safeguarding buildings, electronic systems, and the individuals present within them. By intercepting, conducting, and dispersing a lightning strike to the ground, it ensures the safety of the structure and everything it encompasses. Without this external lightning protection system, the potential risks posed to both the physical infrastructure and the people working nearby are significantly heightened.

What Does a Lightning Protector Do?

A lightning protector, also known as a lightning arrestor or lightning rod, is a device designed to protect a structure or equipment from the damaging effects of a lightning strike. The primary function of an external lightning protection system is to intercept, conduct, and disperse the electrical energy of a lightning strike safely to the ground.

Without a lightning protection system, a buildings structure, electronic systems, and the individuals present can all be at risk during a lightning storm. A lightning strike can cause significant damage to a buildings electrical and communication systems, leading to power outages, equipment failure, and even fires. Additionally, the intense electrical surge can pose a serious threat to the safety of anyone in the vicinity.

The conductors, often in the form of lightning rods or cables, intercept the lightning strike and provide a path of least resistance for the electrical current to follow. This allows the energy to bypass the structure or equipment and be safely redirected to the ground.

The grounding components, such as copper or aluminum grounding rods, are essential for ensuring that the lightning current is efficiently dispersed into the earth. Proper grounding helps to reduce the risk of electrical potential differences and eliminates the potential for electrical shock hazards within the structure or equipment.

Surge protective devices are another essential component of a lightning protection system. These devices are designed to divert excessive voltage and current away from sensitive equipment, helping to prevent damage from power surges caused by lightning strikes.

When it comes to the Peri Secure electric fence, it’s alarm system serves as a crucial line of defense. Designed to protect properties from potential intruders, the alarm is triggered whenever an individual either makes direct contact with a live wire or attempts to cut any wire. This immediate response ensures that any unauthorized access is detected, making it an effective deterrent and alert system.

What Makes the Electric Fence to Alarm?

Electric fences are an effective means of securing properties, deterring potential intruders, and providing peace of mind. One crucial component of an electric fence system is the lightning arrestor. The answer depends on various factors, such as the location and the prevailing weather patterns.

One common cause is when an intruder comes into contact with a live wire. The electric current running through the fence is designed to deliver a mild but uncomfortable shock, effectively deterring unauthorized entry. When someone touches a live wire, the circuit is completed, and the alarm system is activated, notifying the property owner of the breach.

Another scenario that can result in an electric fence alarm is when a wire on the fence is cut. Usually, the fence wires are interconnected, creating a closed circuit. When a wire is severed, it disrupts the flow of electricity and triggers the alarm. This effectively warns the property owner of a potential breach, allowing them to take appropriate action.

Now, where does the lightning arrestor come into play? Lightning strikes can pose a significant threat to electric fences, specifically in areas prone to thunderstorms.

While installing a lightning arrestor isn’t mandatory for every electric fence, it’s highly recommended in areas with high lightning activity.

By taking this extra precaution, you can enhance the security of your property and enjoy the peace of mind that comes with it.

How to Choose the Right Lightning Arrestor for an Electric Fence

When it comes to choosing the right lightning arrestor for an electric fence, there are a few factors to consider. First and foremost, you’ll want to ensure that the arrestor is designed specifically for use with electric fences. This is important because electric fences operate at a higher voltage than other electrical systems, so a standard lightning arrestor may not be suitable.

Additionally, you’ll want to look for an arrestor that’s capable of handling the power levels associated with your particular electric fence setup. Different types of electric fences have different power requirements, so it’s important to choose an arrestor that can handle the specific voltage and current levels of your system.

Another important consideration is the installation process. Choose an arrestor that’s easy to install and comes with clear instructions. Ideally, it should also have features that make it easy to maintain and inspect, such as visual indicators to show it’s working status.

Lastly, it’s important to choose a lightning arrestor from a reputable manufacturer. Look for a product that’s good reviews and a track record of reliability. This will ensure that you’re getting a quality product that will effectively protect your electric fence from lightning strikes.


To mitigate the potential damage caused by lightning, the installation of specialized equipment such as lightning arrestors, lightning diverters, and surge protectors becomes imperative. By effectively isolating the charger and effectively discharging or absorbing lightning, these devices can provide an essential layer of safeguarding.

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