Thunderstorm weather, lightning strikes more. When lightning strikes the lightning arrester or lightning rod, the lightning current through the grounding device, through the earth, because of the existence of grounding resistance of the grounding device, it through the lightning current potential will rise very high, the nearby equipment or personnel may cause counterattack or step voltage, a threat to personal safety. Therefore, lightning arresters or lightning rods should not be near in thunderstorm weather.
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