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Concept
Step Leader
A
step leader
is a precursor to a
lightning strike
, forming a
channel of ionized air
that propagates from a cloud towards the ground in a series of rapid, discrete steps. This process is crucial in establishing a
conductive path
for the
main lightning discharge
, allowing the flow of a powerful
electric current
that characterizes a
lightning strike
.
Concept
Electrical grounding and bonding
Electrical grounding
and bonding are essential
safety practices in electrical systems
, ensuring that
electrical currents
have a
safe path to the earth
to
prevent electric shock
and
fire hazards
. Grounding
stabilizes the voltage levels
in
electrical circuits
, while bonding
connects all metallic parts
to
eliminate voltage differences
that could lead to
dangerous electric shocks
.
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