Understanding Circuit Break Under Sizing: A Guide for Homeowners
Written by Ray.Victorell

Circuit Break Under Sized

An undersized circuit breaker inside your breaker panel can pose significant hazards and should be addressed promptly to ensure the safety of your electrical system. When a circuit breaker is undersized, it means that it is unable to handle the electrical load passing through it. This can lead to several potential hazards.

Firstly, an undersized circuit breaker can cause overheating. When the electrical load exceeds the capacity of the breaker, it can cause excessive heat buildup in the wiring and connections. This heat can lead to insulation damage, melting of wire coatings, and even electrical fires. Overheating can also result in a tripped breaker as a safety mechanism, which disrupts the flow of electricity in the affected circuit.

Secondly, an undersized circuit breaker may not provide adequate protection against short circuits or electrical faults. In the event of a short circuit, an undersized breaker may not trip fast enough or at all, leading to a potentially dangerous situation with high levels of current flowing through the circuit. This can cause significant damage to the electrical equipment, create a risk of electrocution, and increase the chances of fire hazards.

To correct the issue of an undersized circuit breaker, it is essential to consult a qualified electrician. The electrician will assess the electrical load requirements of the circuit and replace the undersized breaker with one that matches or exceeds the required capacity. This will ensure that the breaker can handle the electrical load safely and prevent overheating or tripping issues.

In some cases, it may be necessary to upgrade the entire breaker panel if multiple breakers are undersized or if the panel itself is outdated. Upgrading the panel will provide increased capacity and better distribution of electricity throughout your home or building.

Regular maintenance and inspections of your electrical system are also important to identify any undersized breakers or other potential hazards. It is recommended to have an electrician perform routine checks to ensure that all breakers are correctly sized, connections are secure, and the electrical system is functioning properly.

In conclusion, an undersized circuit breaker can pose significant hazards to your electrical system. Overheating, inadequate protection against short circuits, and the risk of electrical fires are some of the potential dangers associated with undersized breakers. To correct this issue, it is crucial to consult a qualified electrician who can assess the electrical load requirements and replace the undersized breaker with an appropriately sized one. Regular maintenance and inspections of the electrical system are also important to ensure the safety and functionality of your electrical system.