Last Updated on November 26, 2022 by Hooria Batool
Short circuits are a common electrical mishap that can seriously harm your electrical grid. They happen when a high electrical current is sent down a low-resistance channel that isn’t designed to carry it. Short circuits occur when a hot wire comes into contact with a conducting object it is not supposed to.
A short circuit can cause damage to appliances, electrical shock, or maybe even a fire. And if you don’t take any precautions against short circuits, you’re merely raising the chances of something terrible happening.
There are four most significant factors of electrical short circuits.
When electricity deviates from its intended path, it takes a shorter, and therefore less resistant, route to its destination. This happens when a defect in the existing wiring interrupts power flow. If a short circuit in the electricity supply is not discovered and repaired quickly, it might result in sparks, smoke, fire, or electric shock.
Before we go into the likely reasons for faulty wiring in the house, let’s go over a quick science lesson to make you learn how circuits function.
Wires in electrical circuits
A circuit requires two wires: a hot wire (carrying a partial negative charge) and a neutral point (carrying a positive electrical charge) (carrying a positive electrical charge). A neutralizing wire will be used if there is a defect in the network and current flows from both of these wires.
A grounding wire is a backup line that runs alongside the warm and medium wires and conducts current back to the ground if it deviates from its planned route. If your house doesn’t have a grounding system, it’s more likely to catch fire.
Ground fault vs. short circuit
Electrical shorts are referred to by the words short circuit & ground fault. When an electrician says “short circuit,” they’re pointing to a situation in which a hot wire comes into contact with a neutral wire. A “ground fault,” on the other hand, happens when a live wire comes into contact with a grounded component of your electricity supply, such as a wall panels box or an instrument. A considerable quantity of electricity escapes its designated direction in both circumstances.
What causes a short circuit?
Two wires may come into contact and cause a short circuit if wire connections loosen and droop. If a hot wire and just a neutral wire come into contact, do not attempt to straighten the connections yourself; you may be badly shocked. Make an appointment with an electrician to have the problem fixed.
Outdated wiring and aging
Over time, wires and extension cords will show signs of wear and tear. An electrical system’s average lifespan is 30–40 years. Your device may not be safe if it is older than this. Aluminum wire may still be present in your home if constructed in the 1970s or earlier. Aluminum corrodes faster and gets very hot more readily than copper, putting your property at fire risk. Furthermore, earlier wiring systems were not built to handle the quantity of electricity required by modern houses.
It could be time to update your home’s electrical system if it’s getting old. Request an inspection from a reputable electrician who will advise you on the right course of action.
Faulty wiring in appliances
A broken plug, a broken power cord, or a problem in the equipment itself can cause short circuits in appliances.
Insulation that has been damaged
Insulation between the hot and ground wires prevents the two coils from contacting and causing a short circuit. Nevertheless, this insulation might deteriorate or be degraded over time. When nailing and screwing holes in walls, be careful not to damage electrical lines accidentally. Check your crawl spaces for indications of pests gnawing through insulation & wiring, and repair any fractures or holes you find throughout your property.
Before you use an outlet, double-check it.
Every outlet has a box with linked wires behind it. Faulty wiring, unsecured box interconnections, and an old outlet are common causes of short circuits. Although it’s tough to diagnose these problems because they’re concealed beneath your walls, you may assist in eliminating short circuits by inspecting your connections before each use. There are a few indicators that your outlet is in danger of a short circuit:
- Burn marks or a burning odor can be found on the outlet.
- The outlet is making a buzzing or popping sound.
- Sparks is emitted from the outlet.
- The outlet is between 15 and 25 years old.
- If you notice any of these indicators, turn off the connection and inform Roman Electric.
Before using any appliances, make sure they are in good working order.
Examine your equipment before putting them in, just like you would with outlets. Short circuits could also be triggered by the appliance’s own faulty wiring or circuitry. Check equipment for the following indicators before each use:
- Cords, covering, or wire that has been damaged.
- The appliance has several cracks.
- The wiring of the appliance is visible.
Use less electricity during storms
A lightning strike is among the most challenging situations for a short circuit to occur, as the massive energy production can cause significant damage. We recommend limiting your electricity usage to only what is necessary during a lightning storm. This will assist prevent short circuits during a storm, but it will also help mitigate the damage caused by a power surge.
The dangers of short circuits
Current travels through the human body when introduced as the path of least resistance. Through electrical shock, electrocution, or fire, a short circuit can cause injury or death.
A short circuit demands more power, which can cause electrical arcs and extremely high temperatures, melting plastics or igniting flammable materials like wood or fabrics.