Quote:
Originally Posted by MidWestIA
My friend had a lightning rod it got hit and started a fire in the attic
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- If the fire was in the attic then the charge from the lightning went into the attic
- A lightning protection system (LPS) should carry the charge along cables to the ground and not let it into the structure
- A poorly installed LPS might not have sufficient grounding and therefore would not carry the charge away
- You mention a singular lightning rod installed. A proper LPS would have multiple "rods" at different points on the roof, at least one at each end of the peak. If he had only a single rod then it was not a properly installed LPS system.
- Nothing is 100% effective; the LPS should significantly decrease the likelihood of damage but cannot totally eliminate it