How Long are Surge Protectors Good for? Their Lifespan May Shock You!

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Most people are mistaken of the fact that their surge protector lifespan is the same as any power strips they have at home. Well, there is really no direct answer to how long your surge protection device at home will last. It really depends on a few factors as listed below.

Factors Affecting Surge Protector Lifespan

Surge protector LifespanEnvironment – The environment we live in plays a huge role in determining how long our surge protection device can last. If you happen to stay in a lightning prone area like Florida, it is very likely that you will need to replace your surge suppressor device every summer which is usually the peak season for lightning strikes.

Frequency of Getting Hit – Every power surge that gets absorbed by the surge protection device will shorten its capability to protect against future over-voltages spikes. Therefore it is imperative that you replace the surge protection device if it frequently get hit by power spikes.

Joule Rating – The higher the joule rating of a surge protection device, the longer it is able to protection all the electronics plugged into it. Joule rating would be something you would want to take note of the next time you shop for a new surge suppressor.

Local Power Grid – If the area you live in is prone to “dirty” power grid that comes with frequent power surges and dips, it is very likely that your surge protector lifespan will get affected and will require frequent replacement like once a year.

LED Notifications – These days, most surge protectors come with LED notification to warn you when it is no longer able to protect your connected devices against power spikes. Some even come with audible buzzing noise to warn you when its protection capability is gone.

Age – Surge protector lifespan really has very little to do with age. Most surge suppressors are ‘dead’ before a year or two, all thanks to frequent power spikes, lightning bolts, electrical storms etc.

So How Long are Surge Protectors Good for?

Even if nothing happens to your surge protection device, on average you should consider replacing them every 2 to 3 years. Again, the duration will varies across different states/area you live in, different brands and models, joules rating etc.

If you want your surge protection device to last longer, it is always recommended to find one that is the right fit for the environment you live in and the budget you have in mind. Getting a good surge suppressor will protect all your prized electronic devices and appliances for a long time.

Few things to note

*Never get cheap surge protection brands as they will continue to provide power to all connected devices even when their surge protection capability are long gone.

**No surge protectors (Type 3) will be able to withstand the power surge from a direct lightning strike that hit the power line that is connected to your home. It is very likely that all your connected devices are fried, including the surge protection device itself.

To protect against lightning bolt type of surges, the only option is to at least have type 1 or 2 surge protection device for the whole house installed at your house.

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