your house have an outside can provide lightning protection ? Excellent, but the is not enough! For even if it exists, it is possible that your going expensive and usually sensitive electrical equipment such as heating, freezer, computer, radio or phone broken. In such cases one speaks of surge damage. When internal lightning protection is therefore often talk of the surge protector.
over southern Germany are discharged at 15 to 35 days in the year storms. 2,662,409 flashes of lightning has counted Information Service by Siemens in 2007 over Germany. Every square kilometer in Germany is a year-to five hit by lightning. But not only the direct impacts have a destructive effect, and indirectly affects the enormous energy of lightning: Only about two miles away, lightning data and electrical lines, sensitive electronic equipment and appliances destroyed by huge surge. And not only that, depending on how close the lightning strike and, depending on the existing building conditions here, voltages occur that can damage a device, not just put up in the fire can result in!
However, not only during thunderstorms electronic devices are at risk. Also, fluctuations in supply voltage may be a cause for surge damage. To protect the building and the electrical equipment effectively, so an addition to the external lightning protection by bonding (ground) and surge protection equipment is necessary. Only the result is a complete lightning protection system. The grounding of passive elements such as water pipes via a direct link and more modern buildings already under construction. Contrast, active elements such as telecommunication links or power lines across arrester connected to the potential compensation.
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