how to fix a blown circuit breaker



Have you ever experienced a blown circuit breaker? If so, you know the inconvenience it can cause and how frustrating it can be to reset it repeatedly. Understanding how to fix a blown circuit breaker can save you time, money, and the hassle of calling an electrician. In this article, we will guide you through the process of safely fixing a blown circuit breaker, giving you the knowledge to troubleshoot common issues and restore power to your electrical system.

Identifying the Problem

The first step in fixing a blown circuit breaker is identifying the problem. There can be several reasons why a circuit breaker trips, and it's important to determine the underlying cause. To begin, switch off all electronic devices or appliances that were connected to the circuit. This will help pinpoint whether the overload is due to excessive power consumption.

Overloaded Circuits

An overloaded circuit occurs when there are too many electronic devices or appliances connected to a single circuit. This excessive power draw causes the circuit breaker to trip, preventing potential hazards such as overheating or electrical fires. To fix an overloaded circuit, follow these steps:

1. Disconnect Devices: Unplug all devices or appliances connected to the circuit that has tripped. This will reduce the load on the circuit and prevent further overloading.

2. Distribute the Load: Identify which devices or appliances are responsible for the overload. Consider redistributing the load among different circuits to ensure a more balanced power distribution.

3. Add an Additional Circuit: If you frequently experience overloaded circuits in certain areas of your home, it may be worth considering installing additional circuits to accommodate the power demand. Consulting a professional electrician can help you determine the best solution for your specific needs.

Short Circuits

Short circuits are a common reason for blown circuit breakers. They occur when a hot wire (typically black or red) and a neutral wire (typically white) come into direct contact, bypassing the electrical resistance. This causes a surge of current that trips the circuit breaker. Here's how to fix a short circuit:

1. Locate the Problem: Start by unplugging all devices or appliances connected to the circuit. Inspect the wires and outlets for any signs of damage, such as frayed or exposed wires, scorch marks, or a burning smell.

2. Isolate the Circuit: To ensure safety, turn off power to the affected circuit by flipping the corresponding breaker switch at the main electrical panel.

3. Repair or Replace: If you identify any damaged wires or outlets, it's essential to repair or replace them. Use electrical tape to insulate any exposed wires temporarily. However, for a more permanent solution, consider contacting a licensed electrician to fix the issue safely.

Ground Faults

Ground faults occur when a hot wire comes into contact with a ground wire or metal conduit. This can happen due to a faulty connection or damaged insulation. When a ground fault occurs, it can trigger a circuit breaker to trip. Follow these steps to fix a ground fault:

1. Unplug Devices: As with other troubleshooting steps, start by unplugging all devices or appliances connected to the circuit.

2. Reset the Circuit Breaker: Locate the tripped circuit breaker and flip it to the "off" position, and then back to the "on" position. This will reset the circuit breaker.

3. Check for Faulty Outlets: Inspect all outlets on the affected circuit for any signs of damage, such as scorch marks or loose connections. Replace any faulty outlets that you find.

4. Test Circuit: Plug in one device or appliance at a time and switch it on. If the circuit breaker trips again, make a note of the device or appliance that caused it. It may be faulty and require professional repair or replacement.

Old or Faulty Circuit Breakers

Over time, circuit breakers can become worn out or faulty, leading to frequent tripping. If you've ruled out other causes and your circuit breaker continues to trip, it may be time to replace it. Follow these steps to replace an old or faulty circuit breaker:

1. Ensure Safety: Before working on any electrical components, turn off the main power supply to your home at the main electrical panel.

2. Identify the Faulty Breaker: Determine which circuit breaker is causing the issue. This can be done by identifying the corresponding label or turning off each circuit breaker one by one until the tripping stops.

3. Remove the Breaker: Use a screwdriver to remove the screws holding the faulty circuit breaker in place. Gently pull it out from the electrical panel.

4. Install a New Circuit Breaker: Purchase a replacement circuit breaker of the same brand and model. Carefully insert it into the vacant slot in the electrical panel and secure it with the screws.

5. Restore Power: After replacing the circuit breaker, turn the main power supply back on. Test the newly installed circuit breaker to ensure it operates correctly.


Fixing a blown circuit breaker doesn't have to be a daunting task. By understanding the common causes of tripped circuit breakers and following the appropriate troubleshooting steps, you can safely restore power to your electrical system. Remember, if you encounter any issues that are beyond your expertise, it's always best to consult with a professional electrician.


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