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Dog Fence Lightning Protection

Lightning Protection for wired dog fences is of critical importance. Consider the power of a lightning strike. Some estimate that one lightning strike will produce up to one billion volts of energy and up to two hundred thousand amps. That is incredible power. While no one can guarantee 100 percent lightning protection it is still critical that proper pet fence transmitter grounding is done to ensure the best possible lightning protection. Most lightning damage to electric fences for dogs comes through the boundary wire not through the house power lines. Some would argue then that wireless systems are best. Unfortunately wireless fence technology is very poor quality and only gives pets a very small area to run.


Four Paws Fence has replaced multiple retail and internet purchased electronic pet fences due to lightning destroying the pet fence transmitter. Most retail store and internet purchased systems come with little or no lightning protection. Professionally installed dog fences, however, do come with good lightning protection. One of our customers in Olathe Kansas had been hit by lightning four times when he owned a retail dog fence system. Each time his transmitter unit was destroyed. The last time his pet fence transmitter blew off the wall and put a dent in his new truck and almost caused a fire in his garage. That is when he called us and we installed our professional pet fence system. He never was hit by lightning again.

Most retail systems have no place on their transmitter for a ground wire. In order to meet city electrical codes it is required to run a ground wire to the house power ground. Most professional electronic dog fences have a ground post built into the transmitter board which allows for a ground wire to be taken to the power outlet ground. This ensures if you do take a lightning hit that it will be diverted to the electrical ground on the house.

Are perimeter dog fences more susceptible to lightning strikes than other copper lines such as telephone and cable lines? The answer is no. Telephone and cable lines both have some RF (radio frequency) running through them just like most fences for dogs. The critical issue is that proper grounding is in place. This limits the damage lightning can do and most of the time diverts any lightning strike to ground.

The Pet Stop Pet Fence system has the best grounding protection on the market. This is why we only sell this brand. Pet Stop engineers are constantly improving the lightning protection built into their pet containment transmitters. Another option to ensure superior lightning protection is to invest in a Panamax Dog Fence Surge Protector. This offers superior lightning protection and was specifically developed for a pet fence system. We offer the Panamax surge protector with most of our pet fence packages.