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Old 16-03-2019, 02:04 PM
Wavytone (Nick)
BigBanger

Wavytone is offline
 
Join Date: Jul 2008
Location: Killara, Sydney
Posts: 3,882
Thanks Peter - I'm familiar with LV installations in the railway where things are often hundreds of metres from the nearest distribution board.

Lightning rods work on the basis that the highest one provides a protection zone under it rather like a large umbrella. Lower ones close by are a bit pointless.
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