The answer to 'which is better circuit breaker or' is that circuit breakers are generally considered better than fuses for most residential and light commercial electrical systems. Circuit breakers are more convenient, safer, and offer more flexible protection compared to fuses.
Circuit breakers can be reset after tripping, while fuses need to be replaced. Circuit breakers also provide better overload and short-circuit protection, and many modern circuit breakers have additional safety features like arc fault and ground fault detection. Additionally, circuit breakers are easier to troubleshoot and identify the source of an electrical issue, making them the preferred choice for most homeowners.