ELECTRICAL SAFETY And Its Hazards

ELECTRICAL SAFETY in this post we will understand about electircty safety because alot of people death due to electricty that ways ELECTRICAL SAFETY is more essiontal is.Electricity is a form of energy associated with the flow of charged particles or electrons from one point to another through a conductor.( usually through a metal wire)

ELECTRICAL SAFETY

 ELECTRICAL SAFETY And Its Hazards

DEFINITION

Electricity is a form of energy associated with the flow of charged particles or electrons from one point to another through a conductor.( usually through a metal wire)

Voltage

Power flows along a conductor where there is a difference in electrical “pressure” b/w the two terminals. This pressure difference provides the push to move the electrons and is measured in volts (symbol “v”). The higher the difference in pressure (the voltage), the harder the push.

The correct name for this electrical prsessure is “electrical potential”, so the voltage is the measure of potential difference b/w two terminals.

Current

This is the flow or speed of power along conductor. It is measured in amperes(usually shortened to “amps”, symbol “A”).

The current in a circuit is determined by voltage. Thus the higher the voltage, the higher the amperage.

ELECTRICAL SAFETY

Resistance

If a circuit was made consisting only of the source and conducter connected b/w the two terminals, the flow of power would continue to be pushed and speed up. This can be dangerous, so to ensure that this does not happen there has to be something which slows the rate of flow, usully by removing power from the circuit.

This process is known as resistance and is measured in ohms( symbol )

DIRECT CURRENT

A current which flows in one direction only is known as direct current (dc). A battery gives a direct current.

Alternating current

If the direction or flow alter at regular intervals, it is alternating current (ac). The public electricity supply varies in different regions of the world. In united states the voltage is 110 volts; in the uk it is 240 volts ac, with alternating cycle being 50 Hz (cycles per second). Shock injury from dc is generally a lot less severe than from ac. 

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HAZARDS OF ELECTRICITY

Electric shock

Effects on the body

Heart defects

Respiratory failure

Damaging of muscles

Fracture of bones

Burns

Falls

Electrocusion

 First aid treatment

Electric shock victims should receive quick mental treatment. However, it is important not to touch a person who remains in contact with an electrical source as you will also receive a shock.

Switching off the supply or disconnecting the equipment.

The victim should be separated from the current using a non conductive material. E.g

A wooden broom handle.

Dry clothing.

Artificial respiration.

Emergency medical attention.

CommOn causes of fire from electricity

Arcing

Over heating of conductors

ELECTRICAL SAFETY in this post we will understand about electircty safety because alot of people death due to electricty that ways ELECTRICAL SAFETY is more essiontal is.Electricity is a form of energy associated with the flow of charged particles or electrons from one point to another through a conductor.( usually through a metal wire)