In the world of electricity, fault refers to any abnormality that occurs to the electric current. Be it difficulty in flowing, overflowing, or underflowing can all be classified as an electric fault. Regardless of a short circuit whereby the current which flows through exceed the amount that the system can hold or open circuit when no current can flow through, an electrical fault poses danger to a certain extent.
This is because the fault will minimise insulation between conductor and the earth wire, increasing the chances of a failure or electrocution. An electrical fault can also cause harm to electrical appliances as the often loss or increase in flowing voltage will reduce their overall life span.
Specifically, an electrical fault can be commonly classified as an open circuit fault, in which there is a leak or damage within the electric circuit, which impacted the smooth flow of current from one end to the other. The cause of such fault is often resulted from broken wire, burnt element within the circuit, wear and tear, or loosening of connection.
The other kind of more frequently experienced fault is short circuit fault. It occurs when the power supply is connected to a live or neutral wire which has no load. This happens when the fuse has blown or there is an insulation failure. The last kind being earth fault whereby an electric appliance become live on its own. Such fault is most dangerous as it is likely to cause an electric shock and is normally a result of damaged connection.
In general, when an electric appliance is towards the end of its live, faults are more likely to occur as they simply stop functioning in the right manner. Occasionally, wear and tear or overuse may also create friction that pose hidden hazards. Other times, an electric fault may be a result of carelessness such as spilling a glass of water or mowing through an electrical cable. Weather conditions like lighting, heavy rain or snow may also have an impact on the electric system, resulting in faults.
Electric fault finding is never a complicated process because by the time it happens, it is likely that certain appliances are not working or electricity within a premise is interrupted. If a certain device is not working, isolate it by turning it off, make changes to the bulb or socket that it is attached too. If both do not work, try placing it on a different power circuit or changing its plug or fuse. If nothing works, it is likely that the appliance itself is faulty.
For dead circuits, make sure that all main switches are turn off before working on the check. After which, proceed to see if a trip has occurred. If so, reset it, if trip happens again, check if it is caused by any electric appliance or circuit. Meanwhile, find out from your neighbour if they experience similar problem too. Often overloading may also cause a power failure, thus, ensure that no overuse of electricity or appliance within the premise to see if it improves the situation.
Do not ever make adverse attempt on the electric systems or units when unsure, make an effort to consult a qualified electrician who can render professional help.
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