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Read more about overvoltage protection in our article

Protecting your home equipment for overvoltage

Overvoltages can be caused by lightning strikes that hit a property directly or close to a property. Lightning overvoltages can travel to a property from the supplying electricity network, outside cables of the property, telephone lines, aerial leads, and data cables.

Overvoltages and the damages they cause can be prevented with the correct overvoltage protection

In urban areas with an underground electricity network, the risk of dangerous overvoltages is small. Protecting safety and data communications systems in cabled urban areas is nevertheless recommended. Existing properties that are at risk of overvoltages and do not have overvoltage protection can be protected afterwards, which is also recommended.

How can I protect my equipment for overvoltage?

The overvoltage protection of a property can be implemented with surge arresters installed in main switchboards and fuseboards. The protection can be supplemented with terminal-specific protectors that are installed directly in sockets. To ensure the functioning of the overvoltage protection, it is important that the earthing systems of the property are also in order.