The answer to 'surge protector burning smell' is that a burning smell from a surge protector is a serious issue that requires immediate attention. This typically indicates the surge protector has failed and is no longer providing protection, which can lead to damage or even fire. The burning smell is caused by the internal components overheating and potentially melting or igniting.
Some common causes include electrical overload, faulty wiring, or a manufacturing defect in the surge protector itself. Symptoms may also include the surge protector no longer functioning, flickering lights, or tripping circuit breakers. If you notice a burning smell, unplug the surge protector immediately and do not continue to use it. Attempting to repair a failed surge protector is not recommended, as it poses a significant fire risk. It's best to replace the surge protector with a new, high-quality model from a reputable brand.