8 Steps to Change an Electrical Breaker

If your home has ever lost power due to an electrical surge or short circuit, you’re likely familiar with the frustration and helplessness that comes with being in the dark. Fortunately, in most cases, you can quickly restore power to your home by replacing the tripped breaker. Changing an electrical breaker is a relatively simple task that can be completed in a matter of minutes, even if you have no prior electrical experience. Before you begin, however, it’s important to take a few safety precautions.

First, turn off the main power to your home. This is typically done by flipping the main breaker switch to the “off” position. Once the main power is off, you can locate the electrical panel, which is usually found in the basement, garage, or utility room. Open the panel door and identify the tripped breaker. The tripped breaker will be in the “tripped” position, which is typically halfway between the “on” and “off” positions. To reset the breaker, simply flip it to the “off” position and then back to the “on” position.

If the breaker trips again after you’ve reset it, there may be a more serious electrical problem that needs to be addressed. In this case, it’s best to call a qualified electrician to diagnose and repair the issue. However, if the breaker stays on, you’ve successfully restored power to your home. Be sure to close the electrical panel door and turn the main power back on.

Identifying the Correct Breaker to Replace

Locate the Electrical Panel: Begin by identifying the electrical panel, typically found in a basement, garage, or utility closet. Ensure it is switched off by flipping the main breaker to the "OFF" position.

Visual Inspection: Each breaker should be clearly labeled with its amperage and function. Start by visually inspecting the breakers to identify any that have tripped or seem damaged.

Electrical Tester: Use a non-contact electrical tester to check each breaker individually. Touch the probe to the metal terminal on the breaker while holding your hand away from any live parts. If the tester lights up or beeps, the breaker is live and not the one you need to replace.

Circuit-Tracing: To pinpoint the exact breaker powering the circuit you need to replace, turn off each breaker one by one. Once the circuit is interrupted, the corresponding appliance or light fixture will no longer function. Note the breaker that caused the interruption and mark it for replacement.

Visual Indicators of a Tripped or Damaged Breaker	Circuit-Tracing Method
– Breaker handle is switched to the “TRIP” position – Discolored or burnt metal around the breaker – Loose or broken wires	– Turn off individual breakers to identify the one causing the interruption – Note the breaker that corresponds to the affected circuit

Safely Shutting Off the Power Supply

Before attempting any electrical work, it’s crucial to shut off the power supply safely. Follow these steps to ensure your safety:

1. Identify the Main Electrical Panel

Locate the main electrical panel, which is typically situated in a basement, utility room, or garage. It contains the main breaker that controls the electricity to the entire house.

2. Turn Off the Main Breaker

Inside the electrical panel, find the main breaker, which is usually the largest breaker. Turn it to the “OFF” position. This will cut off all electricity to the house, including all circuits.

Additional Details for Turning Off the Main Breaker:

Breaker Type	Motion to Turn Off
Toggle Breaker	Move handle to the “OFF” position, parallel to the breaker panel.
Push Button Breaker	Press the button to the “OFF” position.
Bolt-On Breaker	Turn the bolt counterclockwise until the breaker trips.
Square D QO Breaker	Push the button to the “OFF” position. If it does not trip, push it again harder.

Caution: Do not touch any electrical wires or components while the power is off. Always use insulated tools and ensure you have adequate lighting.

Removing the Damaged Breaker

Before removing the damaged breaker, ensure that the power is turned off at the main electrical panel. You can do this by flipping the main breaker to the “OFF” position. Once the power is off, proceed with the following steps:

1. Identify the damaged breaker: Locate the electrical panel and identify the specific breaker that is tripped or damaged. It will likely be in the “OFF” position and may have a red or black flag indicating a fault.

2. Unscrew the breaker cover plate: Most breaker panels have a removable cover plate that protects the breakers. Unscrew the plate to expose the breakers inside.

3. Grasp the breaker firmly: Use a pair of insulated pliers or a non-conductive tool to grasp the damaged breaker firmly by the front panel. Be careful not to touch the metal contacts or terminals on the sides of the breaker.

4. Pull the breaker straight out: Gently pull the breaker straight out of the panel. It should slide out easily if it is not obstructed. If the breaker is stuck, try wiggling it gently to loosen it.

5. Inspect the breaker: Once the breaker is removed, inspect it for any visible damage. Look for burn marks, discoloration, or any other signs of a fault. If the breaker is damaged, replace it with a new one of the same amperage rating.

6. Insert the new breaker: Align the new breaker with the corresponding slots in the panel and gently push it into place. It should slide in easily and snap into position.

7. Tighten the breaker: Use a screwdriver or breaker tightening tool to tighten the screws on the sides of the breaker. Ensure that the breaker is securely fastened in the panel.

8. Replace the cover plate: Finally, replace the cover plate on the electrical panel and screw it back into place. Turn the power back on at the main breaker and check that the new breaker is functioning properly.

Connecting the New Breaker

Once the old breaker has been removed, it’s time to connect the new one. Here are the steps:

1. Insert the New Breaker

Align the new breaker with the bus bars in the panel. Push it straight into place until it snaps firmly into position.

2. Tighten the Screws

Use a screwdriver to tighten the screws that hold the breaker in place. Ensure they are snug but not overtightened.

3. Connect the Wires

Connect the wires to the terminals on the breaker using a screwdriver. Double-check the wire connections to ensure they are secure.

4. Wire Connection Detail

To ensure proper wire connections, follow these additional steps:

Identify the hot and neutral wires. Typically, the hot wire is black or red, and the neutral wire is white or gray.
Strip about 1/2 inch of insulation from the ends of the wires.
Bend the exposed wires into a U-shape.
Loosen the terminal screws on the breaker. Insert the hot wire into the designated “HOT” terminal and tighten the screw securely.
Do the same for the neutral wire, inserting it into the “NEUTRAL” terminal and tightening the screw.
Recheck all wire connections to ensure they are tight and secure.

Restoring Power to the Circuit

Once you have successfully switched the new breaker into the “ON” position, it’s time to restore power to the circuit and verify that the replacement breaker is functioning correctly.

To do this, follow these steps:

Return to the electrical panel and locate the main circuit breaker or fuse.
Switch the main breaker or fuse back to the “ON” position.
Check the affected circuit to ensure that power has been restored.
Flip the lights or appliances on and off a couple of times to test the new breaker.
Observe the breaker for any signs of tripping or overheating. If the breaker trips again immediately or starts to smoke or melt, there may be a more serious electrical issue that requires professional attention.

If the new breaker continues to function properly after repeated testing, the circuit is now fully operational, and the replacement process is complete.

Troubleshooting Common Issues

Here’s what to do if you encounter any issues during the replacement process:

Issue	Possible Cause	Solution
The breaker won’t stay in the “ON” position	Incorrect breaker type or faulty breaker	Verify the breaker is the correct type for the circuit and replace the breaker if necessary
The breaker trips immediately when turned on	Overloaded circuit or short circuit	Identify and eliminate the source of the overload or short circuit, then replace the tripped breaker
The breaker smokes or melts	Severe electrical fault	Turn off the main breaker and immediately contact a qualified electrician

Remember, electrical work can be dangerous. If you are unsure about any aspect of the replacement process, it’s always advisable to seek the help of a licensed electrician.

Troubleshooting Common Breaker Issues

Identifying Breaker Problems

Electrical breakers can fail for various reasons, including overloads, short circuits, and wear and tear. Pay attention to any unusual behavior, such as lights flickering, humming noises, or burning smells. If you experience any of these symptoms, inspect the breaker panel for tripped or damaged breakers.

Resetting Tripped Breakers

If a breaker has tripped, it can be reset by flipping the switch back to the “on” position. Ensure that the issue causing the overload or short circuit has been resolved before resetting the breaker. If it trips again shortly after being reset, there may be a more severe electrical problem that needs attention.

Replacing a Faulty Breaker

If a breaker cannot be reset or is visibly damaged, it may need to be replaced. Gather the following tools: a voltage tester, insulated screwdrivers, and a replacement breaker of the same amperage and type as the faulty one. Turn off the main breaker before replacing the faulty breaker. Use a voltage tester to verify that the power is off at the breaker panel.

Step 1: Disconnect the Wires

Carefully remove the screws that hold the wires connected to the faulty breaker. Take note of which wires were connected to which terminals. If necessary, label the wires with masking tape to avoid any confusion later.

Step 2: Remove the Faulty Breaker

Once the wires are disconnected, you can remove the faulty breaker from the panel by pushing the release lever or tabs on the sides or top of the breaker. Gently pull the breaker out of the panel.

Step 3: Install the Replacement Breaker

Align the replacement breaker with the slot in the panel and push it into place until it snaps into position. Ensure that the breaker is fully seated and secure.

Step 4: Reconnect the Wires

Connect the wires to the appropriate terminals on the replacement breaker. Tighten the screws securely, ensuring that the wires are making good contact. Refer to any labels you made earlier to connect the wires correctly.

Step 5: Turn on the Power

Turn on the main breaker to restore power to the circuit. Flip the replaced breaker to the “on” position. If everything is connected correctly, the breaker should stay on, and the circuit should be functional again.

Additional Tips

If you are uncomfortable performing electrical work, consult a qualified electrician.
Always wear safety glasses and insulated gloves when working with electricity.
Never attempt to replace a breaker with a breaker of a different amperage or type.

Electrical Safety Precautions

When working with electricity, it’s vital to prioritize safety. Here are essential precautions to follow:

1. Turn Off Power

Before starting any electrical work, switch off the power supply at the main breaker or fuse box.

2. Test for Voltage

Use a voltage tester to confirm that there’s no electrical current flowing through the circuit you’re working on.

3. Wear Protective Gear

Wear insulated gloves and safety glasses to protect yourself from electrical shocks and sparks.

4. Use Insulated Tools

Always use tools with insulated handles to prevent electrical current from reaching your body.

5. Keep Work Area Dry

Avoid working in wet conditions, as water can conduct electricity, increasing the risk of shocks.

6. Avoid Contact with Exposed Wires

Never touch exposed wires, as even small amounts of electricity can be hazardous.

7. Secure Electrical Connections

Ensure that all electrical connections are tight and secure to prevent loose wires that could create electrical hazards. Use wire nuts, terminal blocks, or other appropriate connectors to ensure proper connections. Tighten screws securely, but do not overtighten, as this can damage the wires or terminals. Check the connections regularly to ensure they remain tight and secure over time.


Before touching any wires, use a voltage tester to confirm that there is no electrical current flowing through the circuit.	Never touch exposed wires, even if you think the power is off.
Always wear insulated gloves and safety glasses when working with electricity.	Use insulated tools with non-conductive handles to prevent electrical shock.
Work in a well-ventilated area to avoid inhaling harmful fumes.	If you are not comfortable working with electricity, hire a qualified electrician.

Understanding Breaker Types and Amperages

Electrical breakers are classified into two main types: single-pole and double-pole. Single-pole breakers control one circuit, while double-pole breakers control two circuits. The amperage rating of a breaker determines how much current it can safely handle before tripping. Common amperage ratings for residential use include 15 amps, 20 amps, and 30 amps.

Single-Pole Breakers

Single-pole breakers are used to protect individual circuits, such as lighting circuits or outlet circuits. They are typically rated at 15 amps or 20 amps. A 15-amp breaker is suitable for circuits that draw less than 15 amps, while a 20-amp breaker is suitable for circuits that draw less than 20 amps.

Double-Pole Breakers

Double-pole breakers are used to protect circuits that draw more current than a single-pole breaker can handle. They are typically rated at 30 amps or 50 amps. A 30-amp breaker is suitable for circuits that draw between 20 amps and 30 amps, while a 50-amp breaker is suitable for circuits that draw between 30 amps and 50 amps.

Amperage Ratings

The following table shows the recommended amperage rating for different types of circuits:

Circuit Type	Amperage Rating
Lighting Circuits	15 Amps
Outlet Circuits	15-20 Amps
Appliance Circuits	20-30 Amps
Air Conditioner Circuits	30-50 Amps

Hiring a Qualified Electrician

If you’re not comfortable changing an electrical breaker yourself, it’s best to hire a qualified electrician. Here are some tips for finding a reputable electrician:

Ask for referrals from friends, family, or neighbors.

Check online reviews for electricians in your area.

Get a written estimate from the electrician before hiring them.

Make sure the electrician is licensed and insured.

Once you’ve hired an electrician, explain the problem to them and let them know what you want to be done.

The electrician will then inspect the electrical panel and determine if the breaker needs to be replaced.

If the breaker needs to be replaced, the electrician will turn off the power to the circuit and remove the old breaker.

The electrician will then install the new breaker and turn the power back on.

Finally, the electrician will test the new breaker to make sure it is working properly.

Tips for Finding a Qualified Electrician

The following tips can help you find a qualified electrician:

Feature	Description
Licensing	Ensure the electrician is licensed by the state or municipality. This requires training, testing, and passing an examination.
Insurance	Liability and workers’ compensation insurance protect you and the electrician in case of accidents or property damage during the work.
Experience	Look for an electrician with experience in electrical panel repair and breaker replacement. A licensed master electrician may hold the highest level of experience.
Referrals	Obtain referrals from friends, family, or local home improvement stores. Positive word-of-mouth can indicate a reputable electrician.
Online reviews	Check online review platforms like Google My Business, Yelp, and HomeAdvisor. Look for electricians with consistently positive feedback.
Customer service	A good electrician should provide excellent customer service, including prompt communication, professional demeanor, and a dedication to addressing your concerns.

Maintaining Electrical Breakers

Inspecting Electrical Breakers

Periodically check electrical breakers visually for any signs of damage, such as burn marks, corrosion, or loose connections. If any irregularities are identified, it’s crucial to have them inspected and replaced by a qualified electrician.

Tripping and Resetting Breakers

Circuit breakers trip to prevent electrical overloads or short circuits. To reset a tripped breaker, locate the “off” position and flip it back to the “on” position. If the breaker trips repeatedly, seek professional assistance as it could indicate an underlying electrical issue.

Identifying the Right Breaker

Before replacing a breaker, determine the correct amperage and voltage ratings for the circuit it protects. This information is typically printed on the old breaker or in the electrical panel’s documentation.

Gathering Tools

You will need a flathead screwdriver, new breaker, and optionally a non-contact voltage tester to ensure the power is off.

Turning Off the Power

Locate the main electrical panel and turn off the power to the circuit you’re working on. Use a non-contact voltage tester to verify that the power is off.

Removing the Old Breaker

Insert the flathead screwdriver into the slot on the top of the breaker and pull it straight towards you to disconnect it from the panel.

Installing the New Breaker

Align the new breaker with the bus bars and push it into place until it snaps into position. Secure the screws on the front of the breaker if necessary.

Restoring Power

Once the new breaker is installed, turn on the power at the main electrical panel and test the circuit.

Labeling the Breaker

Label the new breaker with a description of the circuit it protects for future reference.

Periodic Maintenance

Regularly inspect electrical breakers, trip and reset them to ensure they are functioning correctly. If any issues are identified, promptly seek professional electrical assistance.

How to Change an Electrical Breaker

If you’re experiencing an electrical issue in your home, it’s possible that a breaker has tripped. Breakers are designed to protect your electrical system from overload or short circuits. When too much electricity flows through a breaker, it will trip to cut off the power. In most cases, you can simply reset the breaker to restore power. However, if a breaker continues to trip, it may need to be replaced.

Changing an electrical breaker is a relatively simple task that can be completed in a few minutes. However, it’s important to note that working with electricity can be dangerous, so it’s important to take the necessary safety precautions before you begin.

Turn off the main power to your home at the breaker panel.
Locate the breaker that is tripped or blown. The tripped breaker will be in the “off” position.
Remove the cover from the breaker panel.
Grip the breaker firmly and pull it straight out of the panel.
Insert the new breaker into the panel and push it into place until it clicks.
Replace the cover on the breaker panel.
Turn on the main power to your home.