Utility to calculate need of a lightning rod
A single calculator for needs of a Lightning rod for some specific region. All parameters in metric notation. This uses English Language, works with both local legislation and direct measurements ( that works better for me ).
You should have the Number of days with thunderbolt for the first window named “Thunder Days” or the number for lightning density for your regions, to the second window named “Ligthning Density”.
Then, you must enter the dimensions for your house:
largura = height, comprimento = width, altura = tall