Can I Replace A 15 Amp Breaker With A 20

Can I Replace a 15 Amp Breaker with a 20 Amp Breaker? A Comprehensive Guide

Meta Description: Thinking about upgrading your 15-amp breaker to a 20-amp? This guide explains the safety implications, wiring requirements, and when this upgrade is (and isn't) a good idea. Learn about potential risks and best practices.

Upgrading your electrical system might seem like a simple fix, especially when you're dealing with overloaded circuits. You might be tempted to swap out a 15-amp breaker for a 20-amp one, thinking it's a quick solution. However, this seemingly minor change can have significant safety implications if not done correctly. This comprehensive guide will explore the circumstances under which replacing a 15-amp breaker with a 20-amp breaker is safe and appropriate, and when it's absolutely not recommended.

Understanding Amperage and Circuit Breakers

Before diving into the specifics, let's clarify what amperage and circuit breakers do. Amperage (measured in amps) represents the amount of electrical current flowing through a circuit. A circuit breaker is a safety device designed to protect your wiring and appliances from damage caused by excessive current. If the current exceeds the breaker's rating, it trips, cutting off the power and preventing overheating or fire.

A 15-amp breaker is designed to handle a maximum of 15 amps of current. Exceeding this limit will likely trip the breaker. A 20-amp breaker, similarly, handles a maximum of 20 amps.

When Replacing a 15 Amp Breaker with a 20 Amp Breaker is Acceptable (with caveats)

Replacing a 15-amp breaker with a 20-amp breaker might be considered under very specific circumstances, and only after careful consideration and potentially professional consultation. These circumstances typically involve:

• Sufficient Wiring Gauge: The most crucial factor is the gauge of the wiring connected to the circuit. The wiring must be rated to handle at least 20 amps. Using a 20-amp breaker on wiring that's only rated for 15 amps is extremely dangerous and could lead to overheating, fire hazards, and electrical damage. You need to check the wire gauge; this information is usually printed on the wire itself. If you're unsure, consult an electrician.

• Specific Appliance Requirements: You may need a 20-amp breaker if you have a high-power appliance, like a large air conditioner or electric oven, that requires a 20-amp circuit. However, this should only be done if the wiring is appropriately sized and the installation is performed by a qualified electrician.

• Professional Assessment: In most cases, it is strongly recommended to consult a qualified electrician before making any changes to your electrical system. They can assess your wiring, identify potential hazards, and ensure the upgrade is safe and compliant with electrical codes.

When You Should Absolutely NOT Replace a 15 Amp Breaker with a 20 Amp Breaker

In the following situations, replacing a 15-amp breaker with a 20-amp breaker is inadvisable and potentially hazardous:

• Undersized Wiring: If the wiring in your circuit is not rated for 20 amps, using a 20-amp breaker is extremely dangerous. The wires could overheat, melt insulation, and potentially start a fire.

• Lack of Electrical Knowledge: If you're not comfortable working with electrical systems, or lack the necessary knowledge and experience, attempting this upgrade yourself is extremely risky. Hire a qualified electrician.

• Ignoring Safety Precautions: Failing to properly disconnect the power, follow safe working practices, and test the circuit after the upgrade can lead to serious injury or electrocution.

Conclusion

Replacing a 15-amp breaker with a 20-amp breaker is not a simple task and should only be undertaken by a qualified electrician or after a thorough understanding of electrical codes and safety precautions. Always prioritize safety and consult with a professional if you have any doubts. The risk of fire and electrical damage far outweighs the perceived convenience of a quick upgrade. Ignoring this advice could lead to significant damage and potential injury.