Calculate lightning protection zone of protection and conductor sizing per ABYC E-4
Input Parameters
Results
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Protection Cone Radius
ft
--
Deck Coverage
%
--
Down Conductor
AWG
--
Ground Plate Min
sq ft
Reference
ABYC E-4: Zone of protection = 60° cone from tip of air terminal
Down conductor: min #8 AWG copper, #6 preferred
Ground plate: min 1 sq ft immersed copper
Bonding all large metal masses within zone