Circuit breakers are a very important part of electrical safety. They control the amount of electricity that flows through a building's electrical wiring system. If your home suffers an electric overload or a short circuit, a properly functioning circuit breaker will detect the issue and cut off the electrical supply. This will protect your wiring and appliances until you take care of the problem and restart the electricity. However, in order for a circuit breaker to do its job properly, you have to match the right circuit breaker with your exact needs. Read the following simple explanations and you’ll be ready to choose the appropriate circuit breaker for your home.
Circuit breakers are available in 3 different voltage capacities. Each is made to accommodate a specific amount of electricity.
Low-voltage circuit breakers have 2 safety mechanisms in place to keep your appliances from getting fried by electric overloads:
Within the category of low-voltage circuit breakers for home use, you’ll also find different 3 types.
In order to choose the best-size circuit breaker for your particular household needs, check the wire size printed on the cable that is to be connected to the circuit breaker. You will see 2 measurements listed: The first will tell you the wire gauge, followed by a dash and a second number which indicates how many wires are inside the cable. Once you have established the wire gauge, use the following chart to pick the correct circuit breaker:
Electrical work must always be done with safety as the top priority. If you have any questions or confusion about choosing the right circuit breaker for your project, talk to an expert at your local hardware store or call an experienced electrician to get some sound advice. Good luck!
This article was updated November 12, 2017.
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