The answer to 'electrical repair burning smell' is that a burning smell can indicate a serious electrical issue that requires immediate attention. This could be caused by a short circuit, overloaded circuit, faulty wiring, or a malfunctioning electrical component. A burning smell should never be ignored, as it can be a sign of a fire hazard or potential electrical shock risk.
If you detect a burning smell, immediately shut off power to the affected area and unplug any devices. Do not attempt to diagnose or repair the issue yourself unless you are a qualified electrician. Calling a licensed and insured electrical contractor is the safest course of action, as they have the expertise to safely identify and resolve the problem.