Where lightning flash counter is specified in the Drawing and/or Bills of Quantities, the counter shall be of outdoor weather proof type; and of the
type that is triggered whenever it encounters a 1.5 kA impulse current in 1.5 microseconds duration. The counter shall record up to minimum
9,999 lightning strikes. The counter shall be installed on the most direct down conductor above the testing joint or any location indicated in the
Drawing and, in any case, at the height of about 2000mm above ground.

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