Surge noise, also known as power surge noise, is a common electrical problem that causes a sudden increase in voltage, leading to a loud and often-disturbing sound. Several synonyms are available that may help describe the sound or the cause of the noise. Some popular options include voltage spikes, electrical buzzing, power fluctuations, electrical hum, electrical interference, and electrical static. These terms can be used interchangeably with surge noise and may be helpful in identifying the source of the problem when troubleshooting electrical issues. In any case, it is always advisable to seek the assistance of a trained electrician when dealing with power-related problems.