The answer to 'emergency electrical service burning smell' is that it likely indicates a serious electrical issue that requires immediate attention from a professional electrician. A burning smell coming from your electrical system is a sign of overheating, which can be caused by a variety of problems like faulty wiring, overloaded circuits, or malfunctioning electrical components. This is a fire hazard and should not be ignored.
If you notice a burning smell, immediately shut off power to the affected area and do not attempt to diagnose or repair the issue yourself. Electrical work can be extremely dangerous if you don't have the proper training and equipment. Call an experienced, licensed electrician right away to inspect the problem and make any necessary repairs. They will be able to quickly identify the root cause and safely resolve the issue to prevent further damage or fire risk.