It is a very common misconception that a lightning rod attracts lightning.
Roof lightning rods.
A lightning rod is erected on the roof of a building and it is connected to a conducting channel to take the huge discharge of electricity into the ground.
The only aim of a lightning strike is to neutralize itself with the ground.
They must be located at the highest points on a roof.
Let us understand it this way.
A one foot steel rod is included with each finial but the mounting bracket must be purchased separately.
Lightning tends to strike the highest point in any terrain but lightning can also be capricious random.
Lightning rods are typically installed around the perimeter of flat roofs or along the peaks of sloped roofs at intervals of 6 1 m or 7 6 m depending on the height of the rod.
Depending on the building s size and configuration additional air terminals are required around the roof perimeter at intervals not exceeding 20 feet within the field of the roof on rooftop equipment and as dictated by the standards.
Roof finials and ornaments lightning protection.
Does a metal roof need a lightning rod attached.