What is another word for ground loop?
Pronunciation: [ɡɹˈa͡ʊnd lˈuːp] (IPA) 
Ground loop is a term commonly used in the electrical industry to describe an unwanted electrical current that occurs between two or more grounding points. However, there are several synonyms that can be used to refer to this phenomenon. These include ground hum, ground noise, and ground buzz. Ground hum refers to the low-frequency noise that can be heard in audio equipment due to ground loops, while ground noise and ground buzz are used more broadly to describe any type of electrical interference caused by ground loops. Other terms that are sometimes used interchangeably with ground loop include ground potential difference and ground offset. Regardless of the terminology used, ground loops can be a significant problem in electrical and audio systems, leading to poor performance and even damage to equipment.
