The answer to 'why is my circuit breaker burning smell' is that a burning smell from a circuit breaker is a sign of an electrical issue that requires immediate attention. This could be caused by an overloaded circuit, faulty wiring, or a malfunctioning breaker. It's important to address this issue promptly to prevent further damage or potential fire hazards.
If you notice a burning smell, first shut off power to the affected circuit breaker. This will help prevent the issue from worsening. However, do not attempt to reset the breaker or investigate the problem further unless you are a trained electrical professional. Attempting to fix the issue yourself can be extremely dangerous and may result in serious injury or property damage. It's best to call a licensed electrician right away to diagnose and repair the problem.