When the thunder, the distribution box sparks, what is the reason that the roof is equipped with advertising lights!
Sure, just when it thunders. Is there a spark? If so, it's dangerous. It should be that the lights on the roof do not lead to lightning protection or grounding.
Sure, just when it thunders. Is there a spark? If so, it's dangerous. It should be that the lights on the roof do not lead to lightning protection or grounding.
Sure, just when it thunders. Is there a spark? If so, it's dangerous. It should be that the lights on the roof do not lead to lightning protection or grounding.
