How Many Amps For Garage Sub Panel

By | August 1, 2022



Homeowners who are looking to increase the functionality of their garage often wonder how many amps they need for a sub panel. Adding a sub panel in your garage can help you add more electrical capacity and allow you to run heavier machinery, tools, and lighting. The number of amps you need depends on the size and type of panel you’re installing, so it’s important to understand what your electrical needs are before you start shopping around.

When installing a sub panel in your garage, the first thing to consider is the number of breakers you’ll need. If you’re planning on running larger equipment such as saws, grinders, or compressors, you may need a larger breaker box with additional capacity. Generally speaking, home panels come in either 30 or 60 amp sizes, but other options are available if you’re expecting to run a large amount of equipment. It’s important to consult an electrician to determine which breaker type will best suit your needs.

The next step is to calculate the total amperage your garage panel needs to support. This is done by summing up all the amps used by each device you’re planning to connect. Once you’ve determined the amps required, you can choose a suitable panel size. If you’ll be connecting high-amp appliances such as air compressors or welders, you may need to use multiple breakers to ensure you don’t overload the system. In this case, you should make sure that both the main breaker and the new sub panel are energy-efficient models. Finally, installing a surge protector is a must to protect your garage’s wiring from current overloads or power outages.

By following these steps and consulting with a qualified electrician, you can determine the right amperage for your garage sub panel and install it safely and efficiently. With the right setup, you can maximize your garage functionality and enjoy its full benefits.


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