Quote:
Originally Posted by jrref
The Villages Lightning Study Group did do research on this type of device and the data is inconclusive on if it actually works.
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Too little data exist to have reliable evidence about the effect size of lightning protection systems. Controlled experiments are impractical because lightning strikes on structures are too infrequent and random. Collecting quality data would be very costly. Anecdotes are not data.
All one has is theory and common sense about the effect of LPS. Then the personal decision whether paying for a LPS is worth it is — personal.