What Causes A Main Breaker To Get Hot

By | January 4, 2023



The main breaker in an electrical system is a crucial component that helps to protect it from overloading. When it operates properly, the breaker prevents dangerous surges and shorts from developing in the system. However, when a main breaker gets too hot, it can be a major problem.

Main breakers that become overheated can pose a serious risk to people and property if they fail to operate correctly. In this article, we will explore what causes a main breaker to get hot and how to address the issue before it leads to more serious problems.

The main breaker is one of the most important components of any electrical system. It acts as a safety valve, limiting the amount of electricity that can flow through the system at any given time. If there is too much electricity flowing, the breaker will trip and cut off the power until the overload is resolved. However, if the breaker gets too hot, it can prevent the normal operation of the system, leading to outages or worse.

Generally speaking, a main breaker should not get hot unless it is overloaded. This means that too much current is flowing through the system, causing the temperature within the breaker to increase to dangerous levels. This can be caused by several things, including faulty wiring, a high wattage device plugged into the system, or an outdated breaker.

In most cases, wiring is the primary cause of a main breaker getting too hot. When wires are not properly insulated, they can make contact with each other, causing them to heat up and overload the system. This is why it is so important to use approved wiring and make sure all connections are secure.

Another common cause of main breakers overheating is the presence of a high wattage device. Appliances like air conditioners and electric stoves can draw large amounts of current, leading to an overload situation if the system is not designed to handle the added load. To prevent this, it is important to make sure that the wattage of the device does not exceed the capacity of the breaker.

Finally, an outdated breaker can also be a contributing factor in a main breaker getting too hot. Many older models are not designed to handle modern loads and can easily become overwhelmed by even small increases in electricity. This can lead to heat buildup, potentially causing a fire or power outage.

By understanding the common causes of a main breaker getting too hot, you can take the necessary steps to prevent your system from becoming overloaded. Make sure all wiring is up to code, check the wattage of any devices you plug into the system, and replace any outdated breakers you may have. Doing so will help to keep your system safe and ensure that your main breaker remains cool and operational.


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