Every year, lightning strikes cause a number of fires. When lightning strikes hit a building electrical circuits and appliances may be damaged. To protect against such damages buildings are equipped with lightning protection systems. They intercept the lightning before it hits the building and conducts it away into the ground.

毎年多くの建築物や森が落雷で炎上の被害に会います。又、建築物の落雷はその設備や電化製品を破壊します。建築物の落雷災害防備に避雷システムがあります。雷が建物に落ちる前にキャッチし、その建物を外して地中に誘導します。