Safety comes first !!!
Electricity is the most common form of
energy that is used by man in his premises . It is
beneficial to us as a source of lighting and power
. Electricity could be dangerous through misuse
and handling as it could cause harm to the
If the electricity passes through a human body ,
the person will suffer electric shock and burns . It
could also cost damage to properties .
The main causes of electrical accidents are :
A) Lack of maintenance
B) Failure or lack of earthing
C) Unsafe and carelessness operating procedures
D) Electrical wiring and equipment's physical form could have been damaged
E) Incorrectly connected wires and other mistakes are usually caused
by ignorance or negligence
There are two possible ways one can get electric shock. They are
direct contact and indirect contact .
The severity of an electric shock is determined by the amount of
current flowing through the body . The effects of the electric shock can be very dangerous . It may even prove fatal .
Here are the results :
~ 1mA - 2mA No harmful effects
~ 5mA - 10mA Painful and burning sensation
~ 10mA - 15mA Muscular contraction
~ 20mA - 30mA Impairs breathing or having breathing difficulties
~ 40mA and above Ventricular fibrillation or death