The answer to 'troubleshooting burning smell' is that a burning smell coming from an electrical source is a serious issue that requires immediate attention. This could indicate an electrical short, overheated wiring, or a malfunctioning electrical component that is at risk of sparking a fire.
Some common causes of a burning electrical smell include faulty outlets, loose wiring connections, overloaded circuits, and problems with appliances or light fixtures. Symptoms may include the smell of burning plastic or rubber, flickering lights, or tripped circuit breakers. If you detect a burning smell, immediately shut off power to the affected area and do not attempt to operate any electrical devices until the issue is resolved.