If my circuit breaker fails

What to do with a circuit breaker that does not cut off the power supply?

If you've ever been the victim of a circuit breaker that won't cut the power, you are not alone. Many people face this problem and there are several reasons why it can happen. In order to know what to do if a circuit breaker does not cut the power, it is important to first understand why the problem is occurring. If you have any doubts about an electrical problem, e.g. For example, if the breaker is broken or too active, you should always call a licensed electrician in a residential area.

Why doesn't my circuit breaker cut off the power supply?

There are many reasons circuit breakers may not turn off power. Knowing these reasons will help you understand why you cannot reset the breaker. Here are some of the reasons a circuit breaker can trip and the methods you can use to fix the problem:

A circuit breaker that will not turn off power due to circuit overloads

The most common cause of this problem is a circuit overload. Circuit overloads are one of the easiest problems to solve because they are usually caused by external factors, e.g. B. If there are too many devices on the same circuit. To repair an overloaded circuit, allow the circuit to cool, unplug or turn off any equipment that is using too much power, and then turn off the circuit breaker. After switching the circuit breaker on again, use only one of the devices connected to this circuit at a time.

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A circuit breaker that does not interrupt the current due to a short circuit

When a circuit breaker does not trip or reset and no high voltage device is consuming power; The problem could be due to a short circuit. Short circuits occur when the hot wire that carries power comes into contact with a neutral wire, which can result in burning the circuit breaker and causing a fire if not marked. The breaker is designed to trip to protect your home. If you think this might be the problem; Leave the circuit breaker off and call an electrician immediately.

Other common problems

While overloads and shorts are the most common reasons a circuit breaker won't trip, there are other reasons someone can have problems. While a circuit breaker that does not trip is rare, this problem can occur and it is important that it be repaired by a licensed electrician. Human error can also play a role on a circuit breaker that appears not to want to be reset. Some circuit breakers can be extremely stiff and require reasonable pressure to activate, while in other cases a person may be trying to activate the wrong circuit breaker.

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Precautions to be observed:

The main switch, usually located on the top of the main panel, cuts off all electricity to the house. It must be switched off in an emergency. Otherwise, just turn off the breaker supplying the faulty circuit. This means that the other parts of your home will continue to be lit and supplied with electricity. The main switch does not cut the wires that lead from the main switch to the electricity meter - they are always hot (electrically charged).

When opening the main cover, make sure that there are no exposed electrical cables other than a solid copper cable (uninsulated). A protective plate should hide all wires, only circuit breakers or fuses should be exposed.

If not, call an electrician to secure your electrical panel. Touching the wrong wire or a bare metal contact in an exposed electrical panel can shock you. Never touch bare metal contacts in a partition.

  • To turn off a circuit breaker, simply switch it to the off position.
  • To reset a circuit breaker, you must first turn it off and then on again.
  • To break a circuit protected by a removable fuse block, grasp the block's handle and pull it toward you. Once the block is out, you can remove the fuse from the retaining clips in the block - a special tool called a fuse extractor will make this easier.
  • To break a circuit protected by a fuse, grasp the glass edge of the fuse and unscrew it (counterclockwise). Keep your fingers away from the outlet. Special insulated fuse removal pliers, available at home improvement centers, make this job safer.

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