How the Lighting Conductor Protects Tall Buildings From Lightning
Damage
People generally love thunderstorms. But when it produces the lightning, people are
scared as it can damage their house or kill them if it hits the ground. When lightning
strikes anything on the ground like a building, tree, or tower, instead of going straight
down, it spreads across the ground first. Therefore, do not stand near something that is
struck by lightning, because it can fall back in the same place.
To protect a house or tall building from damage caused by lightning, Benjamin Franklin
first discovered a device called a lightning rod in 1749. It is just a strip of copper that is
attached to the exterior wall of the building and its lower end. it is placed deep in the
ground. The other end of the copper strip projects over the highest point of the building
with many sharp spikes.
When a storm started, the clouds got very heavy. Huge electrical sparks, called lightning
bolts, often occur between two charged clouds or between a cloud and the ground. If it
occurs between a cloud and the ground, it becomes a great concern for man. It usually
occurs between two highly charged clouds and activates an opposing charge on the
highest structure on the ground. As a result, lightning can stroke tall trees, towers, and
buildings. So in that case you can use a proper lightning protection system so that
you can be free from such kind of damage.
The protective action of a lightning rod is based on the discharge action of points. When
a highly charged cloud moves over the arrester, the opposite charge is activated at the
tips of the arrester and the same charge passes to the ground. Due to the discharge
action of the peaks, an electric wind is established that rises towards the cloud and
partially deactivates the charge in the cloud. Therefore, the possibility of a lightning
strike is significantly reduced. Sometimes, even after this process, the clouds can still
have some charge, so that the lightning can pass and hit the ground. As the spikes of
the lightning rod are closer to the cloud, the flash hits the spikes. Being grounded, the
spikes provide the path of low resistance for electricity so that it can easily run to the
ground. In this way, the discharge flow to the ground through the thick copper conductor
and the tall building or structure therefore remains safe.
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