In the world of electricity, fault refers to any abnormality that occurs to the electric current. Be it difficulty in flowing, overflowing, or under flowing can all be classified as an electrical fault. Regardless of a short circuit whereby the current which flows through exceeds the amount that the system can hold or an open circuit when no current can flow through, an electrical fault poses danger to a certain extent. 
This is because the fault will minimize insulation between the 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 often results from broken wire, burnt element within the circuit, wear and tear, or loosening of the connection.
The other kind of more frequently experienced fault is the 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 an earth fault whereby an electric appliance becomes live on its own. Such fault is most dangerous as it is likely to cause an electric shock and is normally a result of a damaged connection.
In general, when an electric appliance is towards the end of its life, faults are more likely to occur as they simply stop functioning in the right manner. Occasionally, wear and tear or overuse may also create the friction that poses 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 to. 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 turned off before working on the check. After which, proceed to see if a trip has occurred. If so, reset it, if the trip happens again, check if it is caused by any electric appliance or circuit. Meanwhile, find out from your neighbor if they experience a 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 an 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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This Blog was post by Good Electric – Electrician San Antonio
