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Is It Dangerous If My Circuit Breaker Keeps Tripping?

Is It Dangerous If My Circuit Breaker Keeps Tripping

A circuit breaker is a safety device designed to protect your electrical system from damage caused by overloads or short circuits, and if it keeps tripping, it can be both frustrating and concerning. While it’s a common issue in many households, it’s important to understand why it happens and whether it poses any dangers if it keeps tripping out.

Common Causes of a Tripping Circuit Breaker

1. Overloaded Circuit

In our experience, an overloaded circuit is the most common reason for a tripping breaker. It normally occurs when too many devices or appliances are running on the same circuit, exceeding its capacity. For instance, running your microwave, toaster, and kettle simultaneously on the same kitchen circuit can cause it to overload and trip.

2. Short Circuit

A short circuit happens when a live wire touches a neutral wire, causing a surge of current. This is more dangerous than an overloaded circuit and can potentially cause electrical fires. Short circuits are often due to faulty wiring, damaged appliances, or loose connections.

3. Ground Fault

A ground fault occurs when a live wire comes into contact with a grounded element, such as a metal wall box or the earth. This creates a path for the electricity to flow directly to the ground, causing the breaker to trip. Ground faults can be particularly dangerous in areas like kitchens and bathrooms where water is present.

4. Faulty Appliances

Sometimes, the problem isn’t with your electrical system but the appliances themselves. Faulty or old appliances can draw too much power or have internal wiring issues, causing the circuit breaker to trip.

Why Does My Breaker Keep Tripping With Nothing Plugged In?

If your circuit breaker keeps tripping even when nothing is plugged in, it can indicate deeper issues within your electrical system, such as:

1. Wiring Issues

Frayed, loose, or improperly installed wires can create intermittent connections or short circuits, leading to tripping even when no devices are plugged in. Depending on the severity, this may require a partial or full house rewire.

2. Faulty Circuit Breaker

Circuit breakers can wear out over time, and a defective breaker might trip without an actual overload or short circuit. This can be fairly common, and replacing the faulty breaker can resolve this issue.

3. Moisture

Moisture in the consumer unit or sockets can cause the circuit breaker to trip as it creates conductive paths where there shouldn’t be any. Common areas where there may be moisture include the bathroom and kitchen and where water leaks are present.

5. Pests

Rodents and other pests can chew through wires, creating short circuits or exposed wiring. This damage can cause your circuit breaker to trip repeatedly, even when nothing is plugged into the circuit.

Is It Dangerous If A Circuit Breaker Keeps Tripping?

Yes, it can be dangerous if your circuit breaker keeps tripping.

Repeated tripping indicates underlying issues with your electrical system, which can lead to overheating and potentially cause electrical fires, particularly with overloaded or short circuits.

Continuous tripping can also damage your appliances, affecting their performance and lifespan. Additionally, ground faults or faulty wiring increase the risk of electrical shocks, especially in wet areas like kitchens, bathrooms, and outdoor spaces.

What Should You Do?

If your circuit breaker keeps tripping, addressing the issue promptly is crucial, and below are some steps you can take:

1. Unplug Devices

First, unplug all devices and appliances on the affected circuit and then reset the breaker to see if it trips again. If it doesn’t, plug in each device one at a time to identify if a particular appliance is causing the issue.

2. Check for Overloads

Distribute your electrical load by plugging appliances into different sockets on separate circuits to ensure you’re not overloading your circuits.

3. Inspect for Visible Damage

Look for any visible signs of damage, such as frayed wires, scorch marks, or damaged sockets. If you notice anything unusual, refrain from using the affected circuit and call a professional electrician.

4. Test Residual Current Devices (RCDs)

RCDs are designed to protect against ground faults, and you can test your RCD sockets by pressing the “test” button. If they don’t trip, they may be faulty and require replacement.

5. Professional Inspection

If you cannot identify the cause of the tripping or if the breaker continues to trip even after taking the above steps, it’s time to call a professional electrician. A qualified electrician can perform a thorough electrical inspection, identify the root cause, and make the necessary repairs to ensure your home’s electrical system is safe.


While a tripping circuit breaker can be a minor inconvenience, it can also signal more serious electrical problems. Therefore, regular maintenance and upgrading of outdated electrical components is essential to avoid future issues with tripping circuit breakers.

If you ever smell burning, please immediately call an emergency electrician like ourselves.

Hopefully, our guide has answered all your questions about circuit breakers that keep tripping, but if not, feel free to get in touch, and we will try to help out where possible.

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Assured Electrical Solutions Limited, Sophia House, 28 Cathedral Road, Cardiff, CF11 9LJ
07741 502012 /
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