The wire gauge needed for a 30 amp circuit breaker depends on the load requirements and other factors such as wire length and the appliances or devices used in the circuit. Here are some recommendations from the search results:
- 10-gauge wire is the minimum size required for a 30-amp circuit breaker.
- 8-gauge copper wire or 8-gauge aluminum wire is recommended for a 30-amp service.
- Some sources recommend using 10-gauge copper wire for 30-amp circuit breakers, but this does not account for the NEC 80% rule, which suggests that a circuits continuous load should not exceed 80% of the circuit breaker's rating.
It is important to note that the information within this article is intended only as general guidelines. For any questions, always consult a certified electrician, as well as your local electrical codes.
